{"id":26909,"date":"2026-07-24T15:39:20","date_gmt":"2026-07-24T07:39:20","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/in\/a-comprehensive-guide-to-using-ocl-in-uml-with-plantuml-examples\/"},"modified":"2026-07-26T17:31:27","modified_gmt":"2026-07-26T09:31:27","slug":"a-comprehensive-guide-to-using-ocl-in-uml-with-plantuml-examples","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/in\/a-comprehensive-guide-to-using-ocl-in-uml-with-plantuml-examples\/","title":{"rendered":"OCL \u0915\u093e UML \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0915\u093e \u0935\u094d\u092f\u093e\u092a\u0915 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e, PlantUML \u0909\u0926\u093e\u0939\u0930\u0923\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925"},"content":{"rendered":"<h1 class=\"qwen-markdown-heading\" dir=\"ltr\"><span class=\"qwen-markdown-text\" data-spm-anchor-id=\"a2ty_o01.29997173.0.i225.290055fbrGIlFE\">\u092a\u0930\u093f\u091a\u092f<\/span><\/h1>\n<div class=\"qwen-markdown-paragraph\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u091c\u092c\u0915\u093f \u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u092e\u0949\u0921\u0932\u093f\u0902\u0917 \u092d\u093e\u0937\u093e (UML) \u0938\u0949\u092b\u094d\u091f\u0935\u0947\u092f\u0930 \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0915\u0947 \u0926\u0943\u0936\u094d\u092f\u093e\u0924\u094d\u092e\u0915 \u091a\u093f\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u092e\u093e\u0928\u093f\u0924 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u093e\u0928\u0915 \u0939\u0948, \u0907\u0938\u092e\u0947\u0902 \u090f\u0915 \u0906\u0902\u0924\u0930\u093f\u0915 \u0938\u0940\u092e\u093e \u0939\u0948: \u0906\u0930\u0947\u0916 \u092f\u0939 \u0926\u093f\u0916\u093e\u0928\u0947 \u092e\u0947\u0902 \u092c\u0939\u0941\u0924 \u0905\u091a\u094d\u091b\u0947 \u0939\u0948\u0902 \u0915\u093f<\/span><em class=\"qwen-markdown-em\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u0915\u094d\u092f\u093e<\/span><\/em><span class=\"qwen-markdown-text\">\u090f\u0915 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u093f\u0938\u0938\u0947 \u092c\u0928\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0935\u0947 \u091c\u091f\u093f\u0932, \u0938\u0942\u0915\u094d\u0937\u094d\u092e \u0935\u094d\u092f\u093e\u0935\u0938\u093e\u092f\u093f\u0915 \u0928\u093f\u092f\u092e\u094b\u0902 \u0915\u094b \u0935\u094d\u092f\u0915\u094d\u0924 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0915\u0920\u093f\u0928\u093e\u0908 \u092e\u0939\u0938\u0942\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902<\/span><em class=\"qwen-markdown-em\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u0915\u0948\u0938\u0947<\/span><\/em><span class=\"qwen-markdown-text\">\u092f\u0939 \u0915\u0948\u0938\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0915\u0947\u0935\u0932 \u0917\u0941\u0923\u093e\u0902\u0915\u094b\u0902 \u0914\u0930 \u092e\u0942\u0932 \u0924\u0924\u094d\u0935\u094b\u0902 \u091c\u0948\u0938\u0947 \u0926\u0943\u0936\u094d\u092f \u0924\u0924\u094d\u0935\u094b\u0902 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0930\u0939\u0928\u0947 \u0938\u0947 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0924\u0930\u094d\u0915 \u0905\u0938\u094d\u092a\u0937\u094d\u091f \u0930\u0939 \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0935\u093f\u0915\u093e\u0938 \u091a\u0930\u0923 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0917\u0932\u0924 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/span><\/div>\n<div class=\"qwen-markdown-space\"><\/div>\n<div class=\"qwen-markdown-paragraph\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u0906\u0907\u090f \u091c\u093e\u0928\u0947\u0902<\/span><strong class=\"qwen-markdown-strong\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u0935\u0938\u094d\u0924\u0941 \u0938\u0940\u092e\u093e \u092d\u093e\u0937\u093e (OCL)<\/span><\/strong><span class=\"qwen-markdown-text\">\u0964 \u092f\u0926\u093f UML \u0906\u092a\u0915\u0947 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u092e\u0949\u0921\u0932 \u0915\u0940 &#8216;\u0939\u0921\u094d\u0921\u0940&#8217; \u0939\u0948, \u0924\u094b OCL &#8216;\u0924\u0902\u0924\u094d\u0930\u093f\u0915\u093e \u0924\u0902\u0924\u094d\u0930&#8217; \u0939\u0948\u2014\u091c\u094b \u0938\u091f\u0940\u0915, \u0905\u0938\u094d\u092a\u0937\u094d\u091f \u0928\u0939\u0940\u0902 \u0914\u0930 \u0914\u092a\u091a\u093e\u0930\u093f\u0915 \u0928\u093f\u092f\u092e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b \u0939\u0921\u094d\u0921\u0940 \u0915\u0947 \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0928\u0947 \u0915\u0947 \u0924\u0930\u0940\u0915\u0947 \u0915\u094b \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 UML \u0915\u0947 \u0938\u093e\u0925 OCL \u0915\u0947 \u090f\u0915\u0940\u0915\u0930\u0923 \u0938\u0947 \u092e\u0949\u0921\u0932\u0930\u094d\u0938 \u0909\u091a\u094d\u091a \u0938\u094d\u0924\u0930\u0940\u092f \u0926\u0943\u0936\u094d\u092f \u0921\u093f\u091c\u093e\u0907\u0928 \u0914\u0930 \u0915\u0920\u094b\u0930 \u0917\u0923\u093f\u0924\u0940\u092f \u0935\u093f\u0935\u0930\u0923 \u0915\u0947 \u092c\u0940\u091a \u0915\u0947 \u0905\u0902\u0924\u0930 \u0915\u094b \u092a\u093e\u0930 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902, \u092c\u093f\u0928\u093e \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0915\u094b\u0921 \u0932\u093f\u0916\u0947\u0964<\/span><\/div>\n<div class=\"qwen-markdown-space\"><\/div>\n<div class=\"qwen-markdown-paragraph\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u092f\u0939 \u0935\u094d\u092f\u093e\u092a\u0915 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e UML \u0914\u0930 OCL \u0915\u0947 \u0936\u0915\u094d\u0924\u093f\u0936\u093e\u0932\u0940 \u0938\u0939\u092f\u094b\u0917 \u0915\u093e \u0905\u0927\u094d\u092f\u092f\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u0939\u092e OCL \u0915\u0940 \u092e\u0942\u0932 \u0905\u0935\u0927\u093e\u0930\u0923\u093e\u0913\u0902 \u0915\u094b \u0938\u092e\u091d\u0947\u0902\u0917\u0947, \u0915\u094d\u0932\u093e\u0938, \u0911\u092a\u0930\u0947\u0936\u0928 \u0914\u0930 \u0930\u093e\u091c\u094d\u092f \u092e\u0936\u0940\u0928 \u092e\u0947\u0902 \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u094b \u0915\u0948\u0938\u0947 \u091c\u094b\u0921\u093c\u0928\u093e \u0939\u0948, \u0907\u0938\u0915\u093e \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0915\u0930\u0947\u0902\u0917\u0947, \u0914\u0930 \u092a\u094d\u0930\u093e\u092f\u094b\u0917\u093f\u0915, \u092a\u0941\u0928\u0930\u093e\u0935\u0943\u0924\u094d\u0924\u093f \u092f\u094b\u0917\u094d\u092f<\/span><strong class=\"qwen-markdown-strong\" dir=\"ltr\"><span class=\"qwen-markdown-text\">PlantUML<\/span><\/strong><span class=\"qwen-markdown-text\">\u0909\u0926\u093e\u0939\u0930\u0923 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0947\u0902\u0917\u0947\u0964 \u091a\u093e\u0939\u0947 \u0906\u092a \u0938\u0930\u0932 \u0915\u094d\u0932\u093e\u0938 \u0905\u0928\u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928\u0940\u092f\u0924\u093e \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930 \u0930\u0939\u0947 \u0939\u094b\u0902 \u092f\u093e \u091c\u091f\u093f\u0932 \u0915\u094d\u0930\u0949\u0938-\u0938\u0902\u092c\u0902\u0927 \u0935\u094d\u092f\u093e\u0935\u0938\u093e\u092f\u093f\u0915 \u0928\u093f\u092f\u092e \u0932\u093f\u0916 \u0930\u0939\u0947 \u0939\u094b\u0902, \u092f\u0939 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e \u0906\u092a\u0915\u094b \u0905\u092a\u0928\u0947 \u092e\u0949\u0921\u0932\u094b\u0902 \u0915\u094b \u0938\u093f\u0930\u094d\u092b \u091a\u093f\u0924\u094d\u0930\u094b\u0902 \u0938\u0947 \u0932\u0947\u0915\u0930 \u0926\u0943\u0922\u093c, \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917-\u0917\u094d\u0930\u0947\u0921 \u0935\u093f\u0935\u0930\u0923\u094b\u0902 \u0924\u0915 \u0909\u0928\u094d\u0928\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u091c\u094d\u091e\u093e\u0928 \u0938\u0947 \u0938\u0941\u0938\u091c\u094d\u091c\u093f\u0924 \u0915\u0930\u0947\u0917\u0940\u0964<\/span><\/div>\n<p id=\"VRRnBro\"><img alt=\"UML + OCL = Unambiguous Design by Visual Paradigm\n\" class=\"alignnone wp-image-25380 size-full\" decoding=\"async\" height=\"928\" loading=\"lazy\" sizes=\"auto, (max-width: 1664px) 100vw, 1664px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9.png 1664w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9-300x167.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9-1030x574.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9-768x428.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9-1536x857.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9-150x84.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63167c3b9c9-400x223.png 400w\" width=\"1664\"\/><\/p>\n<p data-nodeid=\"44739\">\n<p>\u091c\u092c\u0915\u093f UML (\u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u092e\u0949\u0921\u0932\u093f\u0902\u0917 \u092d\u093e\u0937\u093e) \u090f\u0915 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u0947\u00a0<strong data-nodeid=\"44816\">\u0938\u0902\u0930\u091a\u0928\u093e<\/strong>\u00a0\u0915\u0947 \u0926\u0943\u0936\u094d\u092f\u093e\u0924\u094d\u092e\u0915 \u091a\u093f\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0905\u0924\u094d\u092f\u0902\u0924 \u0909\u0924\u094d\u0915\u0943\u0937\u094d\u091f \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u091c\u091f\u093f\u0932\u00a0<strong data-nodeid=\"44817\">\u0935\u094d\u092f\u093e\u0935\u0938\u093e\u092f\u093f\u0915 \u0928\u093f\u092f\u092e \u0914\u0930 \u0905\u0930\u094d\u0925<\/strong>\u0915\u094b \u0935\u094d\u092f\u0915\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0938\u091f\u0940\u0915\u0924\u093e \u0915\u0940 \u0915\u092e\u0940 \u0939\u0948\u0964 \u092f\u0939\u0940\u0902 \u092a\u0930\u00a0<strong data-nodeid=\"44818\">\u0935\u0938\u094d\u0924\u0941 \u0938\u0940\u092e\u093e \u092d\u093e\u0937\u093e (OCL)<\/strong>\u00a0\u0906\u0924\u093e \u0939\u0948\u0964 OCL \u0914\u092a\u091a\u093e\u0930\u093f\u0915 \u201c\u091a\u093f\u092a\u0915\u093e\u0935\u201d \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b UML \u0906\u0930\u0947\u0916\u094b\u0902 \u0915\u094b \u0915\u0920\u094b\u0930, \u0905\u0938\u094d\u092a\u0937\u094d\u091f \u0928\u0939\u0940\u0902 \u0935\u094d\u092f\u093e\u0935\u0938\u093e\u092f\u093f\u0915 \u0924\u0930\u094d\u0915 \u0938\u0947 \u091c\u094b\u0921\u093c\u0924\u093e \u0939\u0948\u0964<\/p>\n<p data-nodeid=\"44740\">\u092f\u0939 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e \u092c\u0924\u093e\u0924\u0940 \u0939\u0948 \u0915\u093f OCL UML \u0915\u0947 \u0938\u093e\u0925 \u0915\u0948\u0938\u0947 \u090f\u0915\u0940\u0915\u0943\u0924 \u0939\u094b\u0924\u093e \u0939\u0948, \u0906\u092a\u0915\u094b \u091c\u093e\u0928\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0940 \u092e\u0941\u0916\u094d\u092f \u0905\u0935\u0927\u093e\u0930\u0923\u093e\u090f\u0902, \u0914\u0930 \u092a\u094d\u0930\u093e\u092f\u094b\u0917\u093f\u0915\u00a0<strong data-nodeid=\"44824\">PlantUML<\/strong>\u00a0\u0909\u0926\u093e\u0939\u0930\u0923 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948 \u091c\u094b \u0907\u0928 \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u094b \u0926\u0943\u0936\u094d\u092f \u0930\u0942\u092a \u0938\u0947 \u0926\u093f\u0916\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<hr data-nodeid=\"44741\"\/>\n<h2 data-nodeid=\"44742\">1. \u0938\u0939\u092f\u094b\u0917: OCL \u0926\u094d\u0935\u093e\u0930\u093e UML \u0915\u093e \u092a\u0942\u0930\u0915 \u0939\u094b\u0928\u093e<\/h2>\n<p data-nodeid=\"44743\">UML \u0915\u094b \u0905\u092a\u0928\u0940 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u0940 &#8216;\u0939\u0921\u094d\u0921\u0940&#8217; (\u0915\u094d\u0932\u093e\u0938, \u0938\u0902\u092c\u0902\u0927, \u0905\u0935\u0938\u094d\u0925\u093e\u090f\u0902) \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0938\u094b\u091a\u0947\u0902 \u0914\u0930 OCL \u0915\u094b &#8216;\u0924\u0902\u0924\u094d\u0930\u093f\u0915\u093e \u0924\u0902\u0924\u094d\u0930&#8217; (\u0928\u093f\u092f\u092e, \u0936\u0930\u094d\u0924\u0947\u0902 \u0914\u0930 \u0924\u0930\u094d\u0915) \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0938\u094b\u091a\u0947\u0902 \u091c\u094b \u0939\u0921\u094d\u0921\u0940 \u0915\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h3 data-nodeid=\"44744\">UML \u092e\u0947\u0902 \u0926\u0943\u0936\u094d\u092f \u092a\u094d\u0930\u0924\u093f\u0928\u093f\u0927\u093f\u0924\u094d\u0935<\/h3>\n<p data-nodeid=\"44745\">\u092e\u093e\u0928\u0915 UML \u092e\u0947\u0902, OCL \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u094b \u0906\u092e\u0924\u094c\u0930 \u092a\u0930\u00a0<strong data-nodeid=\"44841\">\u0928\u094b\u091f\u094d\u0938<\/strong>\u00a0\u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u092e\u0949\u0921\u0932 \u0924\u0924\u094d\u0935\u094b\u0902 (\u0915\u094d\u0932\u093e\u0938, \u0911\u092a\u0930\u0947\u0936\u0928 \u092f\u093e \u0905\u0935\u0938\u094d\u0925\u093e\u0913\u0902) \u0938\u0947 \u091c\u0941\u0921\u093c\u0947 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<ul data-nodeid=\"44746\">\n<li data-nodeid=\"44747\">\n<p data-nodeid=\"44748\"><strong data-nodeid=\"44848\">\u0938\u094d\u091f\u0947\u0930\u093f\u092f\u094b\u091f\u093e\u0907\u092a:<\/strong>\u0905\u0915\u094d\u0938\u0930, OCL \u092f\u0941\u0915\u094d\u0924 \u0928\u094b\u091f\u094d\u0938 \u0915\u094b \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<code data-backticks=\"1\" data-nodeid=\"44846\">{\u0938\u0940\u092e\u093e}<\/code>\u0938\u094d\u091f\u0947\u0930\u093f\u092f\u094b\u091f\u093e\u0907\u092a\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44749\">\n<p data-nodeid=\"44750\"><strong data-nodeid=\"44855\">\u0938\u0902\u0926\u0930\u094d\u092d:<\/strong>\u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 OCL \u0905\u092d\u093f\u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0915\u0947 \u0938\u093e\u0925 \u0936\u0941\u0930\u0942 \u0939\u094b\u0924\u0940 \u0939\u0948<code data-backticks=\"1\" data-nodeid=\"44853\">\u0938\u0902\u0926\u0930\u094d\u092d<\/code>\u0915\u0940\u0935\u0930\u094d\u0921, \u091c\u094b \u092c\u0924\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u0928\u093f\u092f\u092e \u0915\u093f\u0938 UML \u0924\u0924\u094d\u0935 \u092a\u0930 \u0932\u093e\u0917\u0942 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<\/li>\n<\/ul>\n<hr data-nodeid=\"44751\"\/>\n<h2 data-nodeid=\"44752\">2. UML \u092e\u0947\u0902 OCL \u0915\u0940 \u092e\u0941\u0916\u094d\u092f \u0905\u0935\u0927\u093e\u0930\u0923\u093e\u090f\u0901<\/h2>\n<h3 data-nodeid=\"44753\">A. \u0915\u094d\u0932\u093e\u0938 \u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f\u0924\u093e\u090f\u0901 (<code data-backticks=\"1\" data-nodeid=\"44858\">\u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f\u0924\u093e<\/code>)<\/h3>\n<p data-nodeid=\"44754\">\u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f\u0924\u093e\u090f\u0901 \u0910\u0938\u0940 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u093e\u0901 \u0939\u0948\u0902 \u091c\u094b \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\u0902<strong data-nodeid=\"44865\">\u0939\u092e\u0947\u0936\u093e \u0938\u0924\u094d\u092f \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f<\/strong>\u0915\u094d\u0932\u093e\u0938 \u0915\u0947 \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f, \u091a\u093e\u0939\u0947 \u0915\u093f\u0938\u0940 \u092d\u0940 \u0911\u092a\u0930\u0947\u0936\u0928 \u0915\u094b \u0915\u0949\u0932 \u0915\u093f\u092f\u093e \u091c\u093e\u090f \u092f\u093e \u0928\u0939\u0940\u0902\u0964<\/p>\n<p data-nodeid=\"44755\"><strong data-nodeid=\"44870\">\u092e\u0941\u0916\u094d\u092f \u0905\u0935\u0927\u093e\u0930\u0923\u093e:<\/strong>\u092f\u0926\u093f \u090f\u0915 \u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f\u0924\u093e \u0915\u093e \u0909\u0932\u094d\u0932\u0902\u0918\u0928 \u0939\u094b\u0924\u093e \u0939\u0948, \u0924\u094b \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u090f\u0915 \u0905\u092e\u093e\u0928\u094d\u092f \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0939\u0948\u0964<\/p>\n<p id=\"xgWMdFF\"><img alt=\"\" class=\"alignnone size-full wp-image-25373\" decoding=\"async\" height=\"868\" loading=\"lazy\" sizes=\"auto, (max-width: 1917px) 100vw, 1917px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d.png 1917w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d-300x136.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d-1030x466.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d-768x348.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d-1536x695.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d-150x68.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314b03109d-400x181.png 400w\" width=\"1917\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:PPBFQiCm3CRlWRo3O9SjeoE7xR30Hl-mGc5iq3w1ugYfgICNMqdBnjvzThAMhht9-Zv9FmcFlQ2JjZ5fuhUQT-Ym0MNG-uc8qsKhj52ML_gB83_ti1MQejhMphPSpQon3cxcy_dpx35DqgHl0LFaxKIfu13uJXE04U3m_6YRabm1gp24wq4gqI0hAc19Q8QKzfyTkShXMjuOIqDL0LDh3I57mptijMo2lB_59hOTQky6hQATzLekfP_85_71wNeZODVddB4qosOz_e8xT1fPV95bKGYN43h8fRzd7OLipmyA6PW2DvGKWXf5TmGj6mezxN6Vi1lGi5EirzmT3x1iJJX2J09uCkk7lpoyla0EuSvzyleqPoWd2Onkj4Iai37GGH5Ly9Jdnv4ddFVe-pVrUW3ePcSq-IkgKT-HkEg_HPgCGnZ-r2y0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:XPFDQXH14CVl0_CE1LvqmyeUzE228TdWWY0AoHFqplHkcktfNdfw4b64A4Y481vaRuA8FIYeSH74U4bUfHx5wkgi9Db3JjtrzQj_LSzir5uutrGwp-gfCZFXH0M55dMzwRrJeyRBXuKrE-gPXDx576Ez78XYEd6sCUMMrTR1ZU5mU6_hJfxb6IDW8CnqioWemyFpF0FeWaZcuwOQITU77MfY9Yaq4bgOGlPXMmgTNAf-iYTTwSJOFp1Yf6NPXu6rMWeJ4zPWN_bT2k_V55N4fjfRALRAcQsLlnfw4VL5-U3KPDU37L_K6Kix7GnpRDzY-8NX5CC9O7YDuIk6Cmo_sRNWy4yCWSrt65xsEvrOJDloygc_okHvkWJwZksR26uFCRnAx3c67zWUmF_Z2CDdvWPkSqmfmFt_KfpAW6z7T9nmTHH1nWUY0rlpH3sZuprBNc3unAm5Sx_n_UCI48q_r2SsEMT7lShiBHzbkz7qCD49K4izldtkX_Nxq0FUn6aAh3xPfV6lbHC7F8wqkxrUSXoczN_XzL-tYFPWgTmkPJnIbVANnAzg15NDj9Brod1Taf5dqfJynUVP1btfT_a7\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44756\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam classAttributeIconSize 0\r\nskinparam noteBackgroundColor #FFF9C4\r\n\r\nclass BankAccount {\r\n  - accountNumber: String\r\n  - balance: Real\r\n  - isOverdraftEnabled: Boolean\r\n  + withdraw(amount: Real)\r\n  + deposit(amount: Real)\r\n}\r\n\r\nnote right of BankAccount\r\n  **\u0915\u094d\u0932\u093e\u0938 \u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f\u0924\u093e\u090f\u0901:**\r\n  context BankAccount\r\n  \r\n  -- \u092c\u0948\u0932\u0947\u0902\u0938 \u0915\u092d\u0940 \u092d\u0940 \u090b\u0923\u093e\u0924\u094d\u092e\u0915 \u0928\u0939\u0940\u0902 \u0939\u094b \u0938\u0915\u0924\u093e \u091c\u092c \u0924\u0915 \u0915\u093f \u0913\u0935\u0930\u0921\u094d\u0930\u093e\u092b\u094d\u091f \u0938\u0915\u094d\u0937\u092e \u0928 \u0939\u094b\r\n  inv balanceRule: \r\n    self.balance &gt;= 0 \u092f\u093e self.isOverdraftEnabled\r\n  \r\n  -- \u0913\u0935\u0930\u0921\u094d\u0930\u093e\u092b\u094d\u091f \u0938\u0940\u092e\u093e 500 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0928\u0939\u0940\u0902 \u0939\u094b \u0938\u0915\u0924\u0940\r\n  inv overdraftLimit: \r\n    self.isOverdraftEnabled implies self.balance &gt;= -500\r\nend note\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:XPFDQXH14CVl0_CE1LvqmyeUzE228TdWWY0AoHFqplHkcktfNdfw4b64A4Y481vaRuA8FIYeSH74U4bUfHx5wkgi9Db3JjtrzQj_LSzir5uutrGwp-gfCZFXH0M55dMzwRrJeyRBXuKrE-gPXDx576Ez78XYEd6sCUMMrTR1ZU5mU6_hJfxb6IDW8CnqioWemyFpF0FeWaZcuwOQITU77MfY9Yaq4bgOGlPXMmgTNAf-iYTTwSJOFp1Yf6NPXu6rMWeJ4zPWN_bT2k_V55N4fjfRALRAcQsLlnfw4VL5-U3KPDU37L_K6Kix7GnpRDzY-8NX5CC9O7YDuIk6Cmo_sRNWy4yCWSrt65xsEvrOJDloygc_okHvkWJwZksR26uFCRnAx3c67zWUmF_Z2CDdvWPkSqmfmFt_KfpAW6z7T9nmTHH1nWUY0rlpH3sZuprBNc3unAm5Sx_n_UCI48q_r2SsEMT7lShiBHzbkz7qCD49K4izldtkX_Nxq0FUn6aAh3xPfV6lbHC7F8wqkxrUSXoczN_XzL-tYFPWgTmkPJnIbVANnAzg15NDj9Brod1Taf5dqfJynUVP1btfT_a7\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:PPBFQiCm3CRlWRo3O9SjeoE7xR30Hl-mGc5iq3w1ugYfgICNMqdBnjvzThAMhht9-Zv9FmcFlQ2JjZ5fuhUQT-Ym0MNG-uc8qsKhj52ML_gB83_ti1MQejhMphPSpQon3cxcy_dpx35DqgHl0LFaxKIfu13uJXE04U3m_6YRabm1gp24wq4gqI0hAc19Q8QKzfyTkShXMjuOIqDL0LDh3I57mptijMo2lB_59hOTQky6hQATzLekfP_85_71wNeZODVddB4qosOz_e8xT1fPV95bKGYN43h8fRzd7OLipmyA6PW2DvGKWXf5TmGj6mezxN6Vi1lGi5EirzmT3x1iJJX2J09uCkk7lpoyla0EuSvzyleqPoWd2Onkj4Iai37GGH5Ly9Jdnv4ddFVe-pVrUW3ePcSq-IkgKT-HkEg_HPgCGnZ-r2y0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3 data-nodeid=\"44757\">B. \u0911\u092a\u0930\u0947\u0936\u0928 \u0905\u0928\u0941\u092c\u0902\u0927 (<code data-backticks=\"1\" data-nodeid=\"44872\">\u092a\u0942\u0930\u094d\u0935<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44874\">\u092a\u0936\u094d\u091a\u093e\u0924<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44876\">\u0936\u0930\u0940\u0930<\/code>)<\/h3>\n<p data-nodeid=\"44758\">\u0911\u092a\u0930\u0947\u0936\u0928 (\u0935\u093f\u0927\u093f\u092f\u093e\u0901) \u0915\u094b \u0910\u0938\u0940 \u0938\u0940\u092e\u093e\u090f\u0901 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0902 \u091c\u094b \u0909\u0928\u0915\u0947 \u0915\u094d\u0930\u093f\u092f\u093e\u0928\u094d\u0935\u092f\u0928 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0914\u0930 \u092c\u093e\u0926 \u092e\u0947\u0902 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<ul data-nodeid=\"44759\">\n<li data-nodeid=\"44760\">\n<p data-nodeid=\"44761\"><strong data-nodeid=\"44891\">\u092a\u0942\u0930\u094d\u0935-\u0936\u0930\u094d\u0924 (<code data-backticks=\"1\" data-nodeid=\"44881\">\u092a\u0942\u0930\u094d\u0935<\/code>):<\/strong>\u00a0\u0935\u0939 \u0915\u094d\u092f\u093e \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u091c\u094b \u0938\u091a \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u00a0<em data-nodeid=\"44892\">\u092a\u0939\u0932\u0947<\/em>\u00a0\u0911\u092a\u0930\u0947\u0936\u0928 \u0936\u0941\u0930\u0942 \u0939\u094b\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947\u0964 (\u0915\u0949\u0932\u0930 \u0915\u0940 \u091c\u093f\u092e\u094d\u092e\u0947\u0926\u093e\u0930\u0940)\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44762\">\n<p data-nodeid=\"44763\"><strong data-nodeid=\"44905\">\u092a\u094b\u0938\u094d\u091f-\u0936\u0930\u094d\u0924 (<code data-backticks=\"1\" data-nodeid=\"44895\">\u092a\u094b\u0938\u094d\u091f<\/code>):<\/strong>\u00a0\u0935\u0939 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e \u091c\u094b \u0938\u091a \u0939\u094b\u0917\u093e\u00a0<em data-nodeid=\"44906\">\u092c\u093e\u0926 \u092e\u0947\u0902<\/em>\u00a0\u0911\u092a\u0930\u0947\u0936\u0928 \u092a\u0942\u0930\u093e \u0939\u094b\u0928\u0947 \u0915\u0947 \u092c\u093e\u0926\u0964 (\u0911\u092a\u0930\u0947\u0936\u0928 \u0915\u0940 \u0917\u093e\u0930\u0902\u091f\u0940)\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44764\">\n<p data-nodeid=\"44765\"><strong data-nodeid=\"44913\">\u092c\u0949\u0921\u0940 (<code data-backticks=\"1\" data-nodeid=\"44909\">\u092c\u0949\u0921\u0940<\/code>):<\/strong> \u0915\u094d\u0935\u0947\u0930\u0940 \u0911\u092a\u0930\u0947\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0930\u093f\u091f\u0930\u094d\u0928 \u092e\u093e\u0928 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<\/li>\n<\/ul>\n<p id=\"sBOPitg\"><img alt=\"\" class=\"alignnone size-full wp-image-25374\" decoding=\"async\" height=\"875\" loading=\"lazy\" sizes=\"auto, (max-width: 1916px) 100vw, 1916px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d.png 1916w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d-300x137.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d-1030x470.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d-768x351.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d-1536x701.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d-150x69.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6314dc4244d-400x183.png 400w\" width=\"1916\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">\u092a\u094d\u0932\u093e\u0902\u091f\u092f\u0942\u090f\u092e\u090f\u0932<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:TL9RIyCm57ulz3ySy6MhLdmHj8oo2nDySbx-G9QSTM5f4f8JS8h_tIGLwHXxA-TyrvFEFJ57eLTbuGzIM-PO3rmnxnT4Jcu3uJCt-br-8ToDCTeGBXa_TCu4BLP66GTNwuUd-_LZMPH5be3tlR5MwcuLFU2xB01ga8IzRs39kjd66H4ujSE2336rwACSDV26JANnDV0zyeC9D9ccAKTfQLXqI1-9CYmI_2Svfs3WPBSdCBkJ18bMLIyM7IDfDAoC9iSu-QQgqYx7g67Zi8wLXKoW1dBsFdXAbM6BWBsbOy964E4ddNWqpOMyrc437jNkDX-WRgFQEYbDfcDlu-dCNFhiAL7SW1iKqwn3dPgWoFAHUAel_PyyC2qYpmT5C6j11wL6ZaiZZWsy1dH7CF-d4RYJEcUuNFJy_W3Rh3QEmOrIo6bYdUGuhLiV-jGOOwRqKcKnZv_n__i5\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 \u092a\u094d\u0932\u093e\u0902\u091f\u092f\u0942\u090f\u092e\u090f\u0932 \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:bLFDQXH14BuFp3iKUDbT7V4Yw12M_B22Dp6-GAUtCpjip_JGNGD64O8N8oBYmGXUWj0R92WkWffSuglqerXTin57pS5BJ_r-zTNNFUiEXSMsqcdYvcNT22iga5euju5eovqMrLrfwktoaO8RlzVK1jMcaFF2chQURXbjB5oPtBfpSt8xJTA48M1xPfgch8ijcW6FqmGWWn9LvNBO5CNQFMkchSHnbq23GczK18Svt5T2n_1La3CbvwR5mJ16fIeRx1A5mWUnfKl4yYTnSYG6jYnc26Qtno2sZKR1lmx-9FXbM3mB_blm7o3uDs7ndAomU1dy4P-KFk3uhyXfFXf526QRGGHP5Uvd3BHat-UCvyyl0aVa7xB_XKeXZl5dP0N_5DXwmQ5pSjvnsLdmFu9_5UUGzAWUOc-DFBz4aiQg79pIkzTPusnCKaog1lS6mpzvqyZJZjp_KQVaaZx7pF1pH_fjPrs3s1LXQRDZSaXGpoWd5ygkbDxlcWwOit7O9rsw5MSGzHIiSgr6M1j3tMhTM-CZtzbxmkjenmbV-LANtOn_t3FxaVidtkexdPVB_FS30zWnqxq-NscqLX87ZIsb6cPZrrPHRqNaurDCatKowGVx2G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44766\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam classAttributeIconSize 0\r\nskinparam noteBackgroundColor #E8F5E9\r\n\r\nclass ShoppingCart {\r\n  - items: Bag&lt;Product&gt;\r\n  - totalAmount: Real\r\n  + checkout(): Receipt\r\n  + getTotal(): Real\r\n}\r\n\r\nnote right of ShoppingCart\r\n  **\u0911\u092a\u0930\u0947\u0936\u0928 \u0915\u0949\u0928\u094d\u091f\u094d\u0930\u0948\u0915\u094d\u091f\u094d\u0938:**\r\n  \r\n  -- \u092a\u094d\u0930\u0940-\u0936\u0930\u094d\u0924: \u0915\u093e\u0930\u094d\u091f \u0916\u093e\u0932\u0940 \u0928\u0939\u0940\u0902 \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f\r\n  context ShoppingCart::checkout(): Receipt\r\n  pre: self.items-&gt;notEmpty()\r\n  \r\n  -- \u092a\u094b\u0938\u094d\u091f-\u0936\u0930\u094d\u0924: \u0915\u093e\u0930\u094d\u091f \u0916\u093e\u0932\u0940 \u0915\u0930 \u0926\u093f\u092f\u093e \u0917\u092f\u093e, \u0930\u0938\u0940\u0926 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0940 \u0917\u0908\r\n  post: self.items-&gt;isEmpty() and result &lt;&gt; null\r\n  \r\n  -- \u092c\u0949\u0921\u0940: \u0915\u094d\u0935\u0947\u0930\u0940 \u0911\u092a\u0930\u0947\u0936\u0928 \u092a\u0930\u093f\u092d\u093e\u0937\u093e\r\n  context ShoppingCart::getTotal(): Real\r\n  body: self.items-&gt;collect(price)-&gt;sum()\r\nend note\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:bLFDQXH14BuFp3iKUDbT7V4Yw12M_B22Dp6-GAUtCpjip_JGNGD64O8N8oBYmGXUWj0R92WkWffSuglqerXTin57pS5BJ_r-zTNNFUiEXSMsqcdYvcNT22iga5euju5eovqMrLrfwktoaO8RlzVK1jMcaFF2chQURXbjB5oPtBfpSt8xJTA48M1xPfgch8ijcW6FqmGWWn9LvNBO5CNQFMkchSHnbq23GczK18Svt5T2n_1La3CbvwR5mJ16fIeRx1A5mWUnfKl4yYTnSYG6jYnc26Qtno2sZKR1lmx-9FXbM3mB_blm7o3uDs7ndAomU1dy4P-KFk3uhyXfFXf526QRGGHP5Uvd3BHat-UCvyyl0aVa7xB_XKeXZl5dP0N_5DXwmQ5pSjvnsLdmFu9_5UUGzAWUOc-DFBz4aiQg79pIkzTPusnCKaog1lS6mpzvqyZJZjp_KQVaaZx7pF1pH_fjPrs3s1LXQRDZSaXGpoWd5ygkbDxlcWwOit7O9rsw5MSGzHIiSgr6M1j3tMhTM-CZtzbxmkjenmbV-LANtOn_t3FxaVidtkexdPVB_FS30zWnqxq-NscqLX87ZIsb6cPZrrPHRqNaurDCatKowGVx2G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:TL9RIyCm57ulz3ySy6MhLdmHj8oo2nDySbx-G9QSTM5f4f8JS8h_tIGLwHXxA-TyrvFEFJ57eLTbuGzIM-PO3rmnxnT4Jcu3uJCt-br-8ToDCTeGBXa_TCu4BLP66GTNwuUd-_LZMPH5be3tlR5MwcuLFU2xB01ga8IzRs39kjd66H4ujSE2336rwACSDV26JANnDV0zyeC9D9ccAKTfQLXqI1-9CYmI_2Svfs3WPBSdCBkJ18bMLIyM7IDfDAoC9iSu-QQgqYx7g67Zi8wLXKoW1dBsFdXAbM6BWBsbOy964E4ddNWqpOMyrc437jNkDX-WRgFQEYbDfcDlu-dCNFhiAL7SW1iKqwn3dPgWoFAHUAel_PyyC2qYpmT5C6j11wL6ZaiZZWsy1dH7CF-d4RYJEcUuNFJy_W3Rh3QEmOrIo6bYdUGuhLiV-jGOOwRqKcKnZv_n__i5\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 \u092a\u094d\u0932\u093e\u0902\u091f\u092f\u0942\u090f\u092e\u090f\u0932 \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3 data-nodeid=\"44767\">\u0938\u0940\u0964 \u0921\u0947\u0930\u093e\u0907\u0935\u094d\u0921 \u0914\u0930 \u0907\u0928\u093f\u0936\u093f\u092f\u0932 \u092e\u093e\u0928 (<code data-backticks=\"1\" data-nodeid=\"44915\">\u0921\u0947\u0930\u093e\u0907\u0935<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44917\">\u0907\u0928\u093f\u091f<\/code>)<\/h3>\n<p data-nodeid=\"44768\">\u0906\u0935\u0936\u094d\u092f\u0915 \u0921\u0947\u091f\u093e \u0938\u094d\u091f\u094b\u0930 \u0915\u0930\u0928\u0947 \u0915\u0947 \u092c\u091c\u093e\u092f, \u092f\u0942\u090f\u092e\u090f\u0932 \u0905\u0928\u0941\u0932\u0915\u094d\u0937\u093f\u0924 \u0915\u094b \u091a\u093f\u0939\u094d\u0928\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u093e \u0939\u0948\u00a0<code data-backticks=\"1\" data-nodeid=\"44920\">{\u0921\u0947\u0930\u093e\u0907\u0935\u094d\u0921}<\/code>\u00a0\u092f\u093e\u00a0<code data-backticks=\"1\" data-nodeid=\"44922\">{\u0907\u0928\u093f\u0936\u093f\u092f\u0932}<\/code>, \u091c\u0939\u093e\u0902 \u0913\u0938\u0940\u090f\u0932 \u0909\u0928\u0915\u0947 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u092e\u093e\u0928 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<p id=\"aQqRxLs\"><img alt=\"\" class=\"alignnone size-full wp-image-25375\" decoding=\"async\" height=\"868\" loading=\"lazy\" sizes=\"auto, (max-width: 1921px) 100vw, 1921px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64.png 1921w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64-300x136.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64-1030x465.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64-768x347.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64-1536x694.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64-150x68.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63150cb1f64-400x181.png 400w\" width=\"1921\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">\u092a\u094d\u0932\u093e\u0902\u091f\u092f\u0942\u090f\u092e\u090f\u0932<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:RP5FImCn4CNl2_iT1WJHXHRHMq3eV-Z5IyNxD3lT3iqc9Pc8Q-btDzcjHTHB23EFtxnvCmc2Nc9hoY8Ss1xHOmlQO0XJ4S_RABJMpcxua-3XfyOweHdgG-DTjFNS6UVXPlcqUbmjog8iUWGiswDn7H6SoW9W13lsGLwm9GMRHBVDKDwob_q29PNpEnHFDNb-f_eCsAJ6sWerv2yzjYoCvWmSfbgIJC7CEKDeuHd4nyGuPnlP9NXkzW9kTxMJ8LMr6FXmczWz3TxGH0ggghAWdpI2EHeTJNALRK3TMMnPep5TxgTaX3xa2bRgjzTX2GM1p6vytNFS4VgmOQlfrTNOtTt_cFZj9bqcJOr7Pq5xGc5d_v_v9uCiomcfInHaw_vUPJ59ttJiBm00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 \u092a\u094d\u0932\u093e\u0902\u091f\u092f\u0942\u090f\u092e\u090f\u0932 \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:XLBDIWCn4Bulx3iCUD62HVIs8FZJ2bwyr1U8k-aQkfkK92lMKgY250_U5C6hMIW5TIc8dkehRDyWZsAIbU8VUCdEVZFvlczciYKauZ9B4zyJ7KAxYACKmWG9iIqb9qUPnFiXeoroXc7jQmrb4k-Wi1Dpbj5eboMCmr9pOszzh-5xlkSee9bs4zR36Fg-1x0ARSA5F40f3g1bs6bSmKU4o-C6aWQsPmNs8yp92Ou6W6AJsASInvX_vWWbag1a04HiXzAK1R33M88HXKsGF3CS0sl3kWHEucC9hBsmOqbgDQrUT7wjrRFEpxLIBfveDNR16BIwqQe0YrcWq6hcpWkj7hLwr-hMv9uSEWvgDSlfpAqQ-0hAQJahN-V3ifYVpoyCTAlpeVdSQVLWDTJC_BmvvXUjxXtDrD4gi3AvaPbK9IDtss8Zesurp48aFfMBVeBWvuYgsGKWSDAkByPRxs74HOlG41-o2FMMLxwv7Zlzmfcg6dkeZ8-S4Oiz_pEFIzTErLTkAlvs-sjfjiokDFZS7QQHUs2-jsL2ype_0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44769\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam classAttributeIconSize 0\r\nskinparam noteBackgroundColor #E3F2FD\r\n\r\nclass Employee {\r\n  - firstName: String\r\n  - birthDate: Date\r\n  - {derived} age: Integer\r\n  - {initial} isActive: Boolean = true\r\n}\r\n\r\nnote right of Employee\r\n  **\u0935\u094d\u092f\u0941\u0924\u094d\u092a\u0928\u094d\u0928 \u0914\u0930 \u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u092e\u093e\u0928:**\r\n  \r\n  -- \u0909 \u0432\u043e\u0437\u0440\u0430\u0441\u0442 \u0915\u0940 \u0917\u0923\u0928\u093e \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0915\u0930\u0947\u0902\r\n  context Employee::age: Integer\r\n  derive: self.birthDate.yearsSinceToday()\r\n  \r\n  -- \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0947 \u0938\u092e\u092f \u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u0905\u0935\u0938\u094d\u0925\u093e\r\n  context Employee::isActive: Boolean\r\n  init: true\r\nend note\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:XLBDIWCn4Bulx3iCUD62HVIs8FZJ2bwyr1U8k-aQkfkK92lMKgY250_U5C6hMIW5TIc8dkehRDyWZsAIbU8VUCdEVZFvlczciYKauZ9B4zyJ7KAxYACKmWG9iIqb9qUPnFiXeoroXc7jQmrb4k-Wi1Dpbj5eboMCmr9pOszzh-5xlkSee9bs4zR36Fg-1x0ARSA5F40f3g1bs6bSmKU4o-C6aWQsPmNs8yp92Ou6W6AJsASInvX_vWWbag1a04HiXzAK1R33M88HXKsGF3CS0sl3kWHEucC9hBsmOqbgDQrUT7wjrRFEpxLIBfveDNR16BIwqQe0YrcWq6hcpWkj7hLwr-hMv9uSEWvgDSlfpAqQ-0hAQJahN-V3ifYVpoyCTAlpeVdSQVLWDTJC_BmvvXUjxXtDrD4gi3AvaPbK9IDtss8Zesurp48aFfMBVeBWvuYgsGKWSDAkByPRxs74HOlG41-o2FMMLxwv7Zlzmfcg6dkeZ8-S4Oiz_pEFIzTErLTkAlvs-sjfjiokDFZS7QQHUs2-jsL2ype_0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:RP5FImCn4CNl2_iT1WJHXHRHMq3eV-Z5IyNxD3lT3iqc9Pc8Q-btDzcjHTHB23EFtxnvCmc2Nc9hoY8Ss1xHOmlQO0XJ4S_RABJMpcxua-3XfyOweHdgG-DTjFNS6UVXPlcqUbmjog8iUWGiswDn7H6SoW9W13lsGLwm9GMRHBVDKDwob_q29PNpEnHFDNb-f_eCsAJ6sWerv2yzjYoCvWmSfbgIJC7CEKDeuHd4nyGuPnlP9NXkzW9kTxMJ8LMr6FXmczWz3TxGH0ggghAWdpI2EHeTJNALRK3TMMnPep5TxgTaX3xa2bRgjzTX2GM1p6vytNFS4VgmOQlfrTNOtTt_cFZj9bqcJOr7Pq5xGc5d_v_v9uCiomcfInHaw_vUPJ59ttJiBm00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3 data-nodeid=\"44770\">D. \u0930\u093e\u091c\u094d\u092f \u092e\u0936\u0940\u0928 \u0917\u093e\u0930\u094d\u0921\u094d\u0938<\/h3>\n<p data-nodeid=\"44771\">\u0930\u093e\u091c\u094d\u092f \u092e\u0936\u0940\u0928 \u0906\u0930\u0947\u0916\u094b\u0902 \u092e\u0947\u0902, \u0938\u0902\u0915\u094d\u0930\u092e\u0923 \u0915\u0947 \u092a\u093e\u0938 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948<strong data-nodeid=\"44930\">\u0917\u093e\u0930\u094d\u0921\u094d\u0938<\/strong>\u2014\u092c\u0942\u0932\u093f\u092f\u0928 \u0935\u094d\u092f\u0902\u091c\u0915 \u091c\u093f\u0928\u0915\u093e \u092e\u0942\u0932\u094d\u092f\u093e\u0902\u0915\u0928 \u0938\u0902\u0915\u094d\u0930\u092e\u0923 \u0915\u0947 \u0918\u091f\u093f\u0924 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u0924\u094d\u092f \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964 OCL \u0907\u0928 \u0917\u093e\u0930\u094d\u0921\u094d\u0938 \u0932\u093f\u0916\u0928\u0947 \u0915\u0940 \u092e\u093e\u0928\u0915 \u092d\u093e\u0937\u093e \u0939\u0948\u0964<\/p>\n<p id=\"rmaKYWP\"><img alt=\"\" class=\"alignnone size-full wp-image-25376\" decoding=\"async\" height=\"871\" loading=\"lazy\" sizes=\"auto, (max-width: 1911px) 100vw, 1911px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44.png 1911w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44-300x137.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44-1030x469.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44-768x350.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44-1536x700.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44-150x68.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63153146a44-400x182.png 400w\" width=\"1911\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:RP91Qm8n48NlWVo7WHxKXIqjnSkYYzKgz5IfH_6Gkb5Jiqb8ib8f_U-TsTL5r9ncttip-IRiA4JXOrLgpi9U6IUyA06rACTYlTzwMvbYOhNry31xcVPdVSuuMoOhIDCS9bvYiE3iLDJYN9f2cUshSzuUX8OCGlLLgjZjKMiz-YRpozaVkTSwpMi-S7W6osWZgWDuViApkf__bDzo7I_p-R1juAmTHzd5JZbNHmDMH7XMoCKrgSDO9FPgkujWDzVed04aoQBUwjqSX5V2n2n9I5zR4-LFX0zVI4-2CWUyIUhD8pr35M08dTEy3gZIQIK3KB0-JR1-ErndV4np99cMBXu95Dk0o6u9pnisQ7CROeeaXOhA6l95utTxzp2phBN9SzXzWto-e0C28LhU9dPgBzxeHGOvc4hhIzeHblYx_GC0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:RPAnJiCm48RtI7c7anZQHWe2eIvH6vMMTWN1M7K8ZTkQ9d7aE1KLGc9XP6H1ZAw4M6214Lx5Zy9TqaQehHUVx_x__9tbJgO2gV8uigripfCqa44Cc5Ei6updKodo9Eo9I4Wu69pqcuEcRTdMq1c1w_hGamo5eMsjWo9vmPAG9zFJD9LY4KJWGPPVnrpL6sGjMkzexcphdghRUUfN7h2v1qCb56PRS7o4QxHVVybks5Zzr_ljoc1RLJlINirucXRI32CYt6IeYcEI8n58BFbqfa1Cjj5j2y1nZFuq-iVeLxDwCle3Z7uq-ileNwFVYiAtMJqOhJ7s78SyOv4eTglWN8PCKe8d2wHWqUIGdYZFe0srzLqru74QSPO12OjL2ejtnL6xIzT7odwSgYKDWJOWwbtwpVGbTb2UwWq4VaP2tDuBLXpYnQK8vwA3taVjUPMVQgd8rCu4c_jg421JXL_ArlRmZBv4ouSaZwB_y1qCyMV-0G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44772\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam stateBackgroundColor #F3E5F5\r\n\r\n[*] --&gt; Created\r\nCreated --&gt; PendingApproval : submit()\r\n\r\nstate PendingApproval {\r\n}\r\n\r\nPendingApproval --&gt; Approved : [total &lt; 10000]\r\nPendingApproval --&gt; Rejected : [total &gt;= 10000]\r\n\r\nApproved --&gt; Shipped : ship()\r\nShipped --&gt; [*]\r\n\r\nnote right of PendingApproval\r\n  **\u0930\u093e\u091c\u094d\u092f \u0905\u0935\u093f\u0928\u093e\u0936\u0940\u0924\u093e:**\r\n  context Order\r\n  inv: self.status = 'Pending' implies \r\n       self.submittedBy-&gt;notEmpty()\r\nend note\r\n\r\nnote right of Approved\r\n  **approve() \u0915\u0940 \u092a\u0936\u094d\u091a-\u0936\u0930\u094d\u0924:**\r\n  context Order::approve()\r\n  post: self.status = 'Approved' and \r\n        self.approvedDate &lt;&gt; null\r\nend note\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:RPAnJiCm48RtI7c7anZQHWe2eIvH6vMMTWN1M7K8ZTkQ9d7aE1KLGc9XP6H1ZAw4M6214Lx5Zy9TqaQehHUVx_x__9tbJgO2gV8uigripfCqa44Cc5Ei6updKodo9Eo9I4Wu69pqcuEcRTdMq1c1w_hGamo5eMsjWo9vmPAG9zFJD9LY4KJWGPPVnrpL6sGjMkzexcphdghRUUfN7h2v1qCb56PRS7o4QxHVVybks5Zzr_ljoc1RLJlINirucXRI32CYt6IeYcEI8n58BFbqfa1Cjj5j2y1nZFuq-iVeLxDwCle3Z7uq-ileNwFVYiAtMJqOhJ7s78SyOv4eTglWN8PCKe8d2wHWqUIGdYZFe0srzLqru74QSPO12OjL2ejtnL6xIzT7odwSgYKDWJOWwbtwpVGbTb2UwWq4VaP2tDuBLXpYnQK8vwA3taVjUPMVQgd8rCu4c_jg421JXL_ArlRmZBv4ouSaZwB_y1qCyMV-0G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:RP91Qm8n48NlWVo7WHxKXIqjnSkYYzKgz5IfH_6Gkb5Jiqb8ib8f_U-TsTL5r9ncttip-IRiA4JXOrLgpi9U6IUyA06rACTYlTzwMvbYOhNry31xcVPdVSuuMoOhIDCS9bvYiE3iLDJYN9f2cUshSzuUX8OCGlLLgjZjKMiz-YRpozaVkTSwpMi-S7W6osWZgWDuViApkf__bDzo7I_p-R1juAmTHzd5JZbNHmDMH7XMoCKrgSDO9FPgkujWDzVed04aoQBUwjqSX5V2n2n9I5zR4-LFX0zVI4-2CWUyIUhD8pr35M08dTEy3gZIQIK3KB0-JR1-ErndV4np99cMBXu95Dk0o6u9pnisQ7CROeeaXOhA6l95utTxzp2phBN9SzXzWto-e0C28LhU9dPgBzxeHGOvc4hhIzeHblYx_GC0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr data-nodeid=\"44773\"\/>\n<h2 data-nodeid=\"44774\">3. \u0935\u094d\u092f\u093e\u092a\u0915 \u0915\u0947\u0938 \u0938\u094d\u091f\u0921\u0940: \u0915\u0902\u092a\u0928\u0940 \u092e\u0949\u0921\u0932<\/h2>\n<p data-nodeid=\"44775\">\u0906\u0907\u090f OCL \u0915\u094b \u090f\u0915 \u091c\u091f\u093f\u0932 UML \u0915\u094d\u0932\u093e\u0938 \u0906\u0930\u0947\u0916 \u092a\u0930 \u0932\u093e\u0917\u0942 \u0915\u0930\u0947\u0902 \u091c\u093f\u0938\u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948<code data-backticks=\"1\" data-nodeid=\"44935\">\u0915\u0930\u094d\u092e\u091a\u093e\u0930\u0940<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44937\">\u0935\u093f\u092d\u093e\u0917<\/code>, \u0914\u0930<code data-backticks=\"1\" data-nodeid=\"44939\">\u092a\u094d\u0930\u094b\u091c\u0947\u0915\u094d\u091f<\/code>. \u092f\u0939 \u0926\u0930\u094d\u0936\u093e\u0924\u093e \u0939\u0948 \u0915\u093f OCL \u0938\u0902\u092c\u0902\u0927\u094b\u0902 \u0915\u094b \u0915\u0948\u0938\u0947 \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0938\u0902\u0917\u094d\u0930\u0939 \u0907\u091f\u0930\u0947\u091f\u0930\u094d\u0938 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948 (<code data-backticks=\"1\" data-nodeid=\"44941\">select<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44943\">forAll<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44945\">size<\/code>).<\/p>\n<p id=\"nWIRDWg\"><img alt=\"\" class=\"alignnone size-full wp-image-25377\" decoding=\"async\" height=\"762\" loading=\"lazy\" sizes=\"auto, (max-width: 949px) 100vw, 949px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315519982f.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315519982f.png 949w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315519982f-300x241.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315519982f-768x617.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315519982f-150x120.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315519982f-400x321.png 400w\" width=\"949\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:dLLjRzem4FwEn7yuCMa3DgBITTeKjQWj50bjQwUX_G2J7E3LiPdjiBAN_xvp73ifwxxi2tBEzzoTdtlkk3IMQLiMejinzrpkc6O5P88PSsMjvglIuY9JSib_89oqVQIoUCso-urMfSodIYWDp-Rp-UpcxLzkIkUeWylrzEHqrkrqErKMk2bsGXqGuMUt0p22vV8sXIMbbXjlM7Djx2qhyB5vnRNTpfWbi_lrnYtNU6mpJ31zI64k5BFEz1BO1lk351RIuWPrj_ExAMU6LBSjKDfGa2oB5UgMTsNygnwXCcQvaeRCQC_zrSJV_QJdyptclq6kT7YmURg0JrfznUn_ipVMAcGajtUI9CCUZ4RG6_VQZqpXkzBtPawjcK0UxKz3_IbKM4Fl925ttjQ6ZIFcE6F197N04CoVShebQCkd1NwKa9HejHAcoMYUJaceQ4x1b3lKUswgHvfoHNhaaWHY74TEeQ3vPcj1hIFAqJeSJXLzuWEnlsUQCsaDF8TRjkSRp_PmwFnSLVXW7s6hjenWdC0rCpo3E4tmkHIL1vTx9yJf5hDxAX75Egbq2PCB6BzhnJXDOagvWIjZLCQzrA3_iHIMxmJFk3qCGjI2FTIKcJfmtQZHnD0SKuhp2pXhPNYTm1VZWYyiQcQLfiXhfQ-46DGUouR1eZGMLbZDMau7SiGZKdqPpk7EJNvTHDjdDF7n-yuP71n-kTyaJB1hb0E5R-StQ9Lybi1KAsD6BJuYjNGVkvyn2KgAGoLMEaNX1349zue3s2roxIR0XlfhnwbtIw4kDV99CvC4GOucN6QYpD6uHxKv7tXONTORObhoRoN28YUXypL73Vtts3IlhAwhBHZUa30X5f8MjSpGz0UHEno_0ZmbudmA7CFvn1auuJZD5uuJYkEDxbHpY3Alrd8K_qfPgmgd_bbh0JZzp_pUQjHxfFZ6Fqt_iTe0_F9B7pCNfFX4EN4MFuMbuae9Io2Eub4fBUUQwu08kp4gLqbquQdZhOttmZGhFFHYpmJFFyJLsX90w7iICOq2VFl3nT4BB-c3_ct_0000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:dLRTQXj75BuNw1qExesaLelbfhGiZaXYHM0eIS1Fi9B6yjQxi-xCh9iq2RY1uWOJSbDX28PSPDKOqph6a13VDA-oZz8pv-oiLhAIYzw8cJFdvplVV7j6jxG9b4dZg5xJkw7S2rGGmp0AjBvjZ0e7gH6RmqHkXRyAMAtwoCI8Ey5mTwoIL8usaYXHy5M_t-_T_VwQMw96GZcNEnkhQxrwhLwZAd0ttekIHqB0uteDe0rRM_TysCBISio6xL1fSo-8nRnv42gpqmiCckql6tT29HPjEeW2zSY7VfG4nfg-Xc0i6aqVDgKHOw7gjQSpE3s1k4qif760P1eFXAfua_4QdYWP1YPCf4QpCEjyrEMpnzX-k2z6Jq4Eb6jOBmVmG2K_YU7_hJwpKigIt9LLpskjGBiDAvsLQfC-_9AeNTt7g-d2gBGl3-MLGrY4tfSOkSUsQbYdZ5ci60SIRq1Z6Az6U8gX5PzAy5n1LA9HIQHd5VNoaXXLcdtGwPvG-w6c9dKwG3s64WMYBKTMeQ32yOw1PBkCihIsMdbsacUly-nJdbr2dlsUP-zfSvfd_-RPXtnwa6SPhl7ippox07ioFNHUnxJ-W4Q_rR89BNpnqCmLeVjhGyV3uFDy-emhOUXlUVQ64jfKx_3GUePotwftOqSCTx4l4Mrx96ReteJE3vLyQpRVnpp3V7_JxzjyUeGBj4uOy7AaqA20Awf_oTqrNUKuU5ZSXIwA5mfeTpKE28InVXDkL51yQr4S4eKNL88NBn3Q3CZpF3kp7Lfynz3OJjJjA6eM6UoPzR-OzP5DA7Pwn3VobcxXr7Ph7QTbdxW_f7Zi1bkXZMFJTZSX_uo1CCSMpWdTxIblNj7cYivVEXhibBblHrf1GbLHxIxZRrXdi6A39_RNSwF9Aj06kRtrQrOek-61WuPC8JSVsmiNUKqKHDF4CNlkKEFsW7FnFLyorwSLJYrL9tJE5L-NTtF6SfvGflCYFqjgKceULV87C_R9vIMdvuHmmfIpmlwXHCTL-HKjFBFfYYj-mqcF7DF5Hxx1dxqF1Qcbyd1iUMucjBkX74RfI6XBVrMTJGuhgFhEOztyHKKPNKOQUbUgvPNJGCagTToWfWxAxo6LuS-fe1VBVT9U44MR4XzLEHIwqIpb83hVW5X3BJ0MqO7rhZM461VYB1GT3_EmqQuAMGWveYUq75I3n9WajfEgLndMFAlU4r8MDrDwHf_v2xwSOgOipA9P6j__pEi4mE-NFy-y--YNe2p7wGFtBZ32p-hkIyDr0N0bvRKPiIol6mjqeqlrI3ATSojdo3abgqoJbpn-hiZZIqDYFuZ2qO_birnHhXEiL_vbc4cNTUiE5gYzXHlyf_OV\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44776\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam classAttributeIconSize 0\r\nskinparam noteBackgroundColor #FFFDE7\r\nskinparam noteBorderColor #FBC02D\r\n\r\nclass Employee {\r\n  - SSN: String\r\n  - firstName: String\r\n  - birthDate: Date\r\n  - hireDate: Date\r\n  - salary: Float\r\n  + age(): Integer\r\n}\r\n\r\nclass Department {\r\n  - number: Integer\r\n  - name: String\r\n  - locations: Set&lt;String&gt;\r\n  - {derived} nbrEmployees: Integer\r\n}\r\n\r\nclass Project {\r\n  - number: Integer\r\n  - name: String\r\n  - location: String\r\n}\r\n\r\nEmployee \"0..*\" -- \"1\" Department : worksFor &gt; department\r\nEmployee \"0..*\" -- \"0..*\" Project : worksOn &gt; project\r\nEmployee \"1\" -- \"0..1\" Department : manages &gt; managedDept\r\nDepartment \"1\" -- \"0..*\" Project : controls &gt; projects\r\nEmployee \"1\" -- \"0..*\" Employee : supervisor &gt; subordinates\r\n\r\nnote right of Employee\r\n  **\u091c\u091f\u093f\u0932 \u0905\u0935\u093f\u0928\u093e\u0936\u0940\u0924\u093e \u0914\u0930 \u0928\u0947\u0935\u093f\u0917\u0947\u0936\u0928:**\r\n  context Employee\r\n  \r\n  -- 1. \u092e\u0942\u0932 \u0917\u0941\u0923 \u0928\u093f\u092f\u092e\r\n  inv ageCheck: self.age() &gt;= 18\r\n  \r\n  -- 2. \u0938\u0902\u092c\u0902\u0927\u094b\u0902 \u0915\u093e \u0928\u0947\u0935\u093f\u0917\u0947\u0936\u0928 (\u092c\u0939\u0941\u0932\u0924\u093e)\r\n  inv maxProjects: self.worksOn-&gt;size() &lt;= 4\r\n  \r\n  -- 3. \u0907\u091f\u0930\u0947\u091f\u0930\u094d\u0938 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 (forAll)\r\n  -- \u092a\u094d\u0930\u092c\u0902\u0927\u0915 \u0915\u094b \u0905\u0927\u0940\u0928\u0938\u094d\u0925\u094b\u0902 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0928\u093f\u092f\u0941\u0915\u094d\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\r\n  inv hireOrder: self.subordinates-&gt;forAll(\r\n    sub | sub.hireDate &gt; self.hireDate\r\n  )\r\n  \r\n  -- 4. \u0915\u094d\u0930\u0949\u0938-\u0938\u0902\u092c\u0902\u0927 \u0928\u093f\u092f\u092e\r\n  -- \u0915\u0930\u094d\u092e\u091a\u093e\u0930\u0940 \u0915\u0947\u0935\u0932 \u0909\u0928 \u092a\u094d\u0930\u094b\u091c\u0947\u0915\u094d\u091f\u094d\u0938 \u092a\u0930 \u0915\u093e\u092e \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948 \u091c\u093f\u0928 \u092a\u0930 \u0909\u0928\u0915\u0947 \u0935\u093f\u092d\u093e\u0917 \u0915\u093e \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0939\u094b\r\n  inv projectControl: \r\n    self.worksFor.controls-&gt;includesAll(self.worksOn)\r\n    \r\n  -- 5. \u0905\u0926\u094d\u0935\u093f\u0924\u0940\u092f \u092a\u0939\u091a\u093e\u0928\u0915\u0930\u094d\u0924\u093e (\u0915\u0940)\r\n  inv uniqueSSN: Employee.allInstances()-&gt;forAll(e1, e2 | \r\n    e1 &lt;&gt; e2 implies e1.SSN &lt;&gt; e2.SSN\r\n  )\r\nend note\r\n\r\nnote bottom of Department\r\n  **\u0935\u094d\u092f\u0941\u0924\u094d\u092a\u0928\u094d\u0928 \u0917\u0941\u0923:**\r\n  context Department::nbrEmployees: Integer\r\n  derive: self.worksFor-&gt;size()\r\nend note\r\n\r\nnote right of Project\r\n  **\u092a\u094d\u0930\u094b\u091c\u0947\u0915\u094d\u091f \u0905\u0935\u093f\u0928\u093e\u0936\u0940\u0924\u093e:**\r\n  context Project\r\n  \r\n  -- \u092a\u094d\u0930\u094b\u091c\u0947\u0915\u094d\u091f \u0938\u094d\u0925\u093e\u0928 \u0935\u093f\u092d\u093e\u0917 \u0915\u0947 \u0938\u094d\u0925\u093e\u0928\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u090f\u0915 \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f\r\n  inv validLocation: \r\n    self.controls.locations-&gt;includes(self.location)\r\nend note\r\n\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:dLRTQXj75BuNw1qExesaLelbfhGiZaXYHM0eIS1Fi9B6yjQxi-xCh9iq2RY1uWOJSbDX28PSPDKOqph6a13VDA-oZz8pv-oiLhAIYzw8cJFdvplVV7j6jxG9b4dZg5xJkw7S2rGGmp0AjBvjZ0e7gH6RmqHkXRyAMAtwoCI8Ey5mTwoIL8usaYXHy5M_t-_T_VwQMw96GZcNEnkhQxrwhLwZAd0ttekIHqB0uteDe0rRM_TysCBISio6xL1fSo-8nRnv42gpqmiCckql6tT29HPjEeW2zSY7VfG4nfg-Xc0i6aqVDgKHOw7gjQSpE3s1k4qif760P1eFXAfua_4QdYWP1YPCf4QpCEjyrEMpnzX-k2z6Jq4Eb6jOBmVmG2K_YU7_hJwpKigIt9LLpskjGBiDAvsLQfC-_9AeNTt7g-d2gBGl3-MLGrY4tfSOkSUsQbYdZ5ci60SIRq1Z6Az6U8gX5PzAy5n1LA9HIQHd5VNoaXXLcdtGwPvG-w6c9dKwG3s64WMYBKTMeQ32yOw1PBkCihIsMdbsacUly-nJdbr2dlsUP-zfSvfd_-RPXtnwa6SPhl7ippox07ioFNHUnxJ-W4Q_rR89BNpnqCmLeVjhGyV3uFDy-emhOUXlUVQ64jfKx_3GUePotwftOqSCTx4l4Mrx96ReteJE3vLyQpRVnpp3V7_JxzjyUeGBj4uOy7AaqA20Awf_oTqrNUKuU5ZSXIwA5mfeTpKE28InVXDkL51yQr4S4eKNL88NBn3Q3CZpF3kp7Lfynz3OJjJjA6eM6UoPzR-OzP5DA7Pwn3VobcxXr7Ph7QTbdxW_f7Zi1bkXZMFJTZSX_uo1CCSMpWdTxIblNj7cYivVEXhibBblHrf1GbLHxIxZRrXdi6A39_RNSwF9Aj06kRtrQrOek-61WuPC8JSVsmiNUKqKHDF4CNlkKEFsW7FnFLyorwSLJYrL9tJE5L-NTtF6SfvGflCYFqjgKceULV87C_R9vIMdvuHmmfIpmlwXHCTL-HKjFBFfYYj-mqcF7DF5Hxx1dxqF1Qcbyd1iUMucjBkX74RfI6XBVrMTJGuhgFhEOztyHKKPNKOQUbUgvPNJGCagTToWfWxAxo6LuS-fe1VBVT9U44MR4XzLEHIwqIpb83hVW5X3BJ0MqO7rhZM461VYB1GT3_EmqQuAMGWveYUq75I3n9WajfEgLndMFAlU4r8MDrDwHf_v2xwSOgOipA9P6j__pEi4mE-NFy-y--YNe2p7wGFtBZ32p-hkIyDr0N0bvRKPiIol6mjqeqlrI3ATSojdo3abgqoJbpn-hiZZIqDYFuZ2qO_birnHhXEiL_vbc4cNTUiE5gYzXHlyf_OV\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:dLLjRzem4FwEn7yuCMa3DgBITTeKjQWj50bjQwUX_G2J7E3LiPdjiBAN_xvp73ifwxxi2tBEzzoTdtlkk3IMQLiMejinzrpkc6O5P88PSsMjvglIuY9JSib_89oqVQIoUCso-urMfSodIYWDp-Rp-UpcxLzkIkUeWylrzEHqrkrqErKMk2bsGXqGuMUt0p22vV8sXIMbbXjlM7Djx2qhyB5vnRNTpfWbi_lrnYtNU6mpJ31zI64k5BFEz1BO1lk351RIuWPrj_ExAMU6LBSjKDfGa2oB5UgMTsNygnwXCcQvaeRCQC_zrSJV_QJdyptclq6kT7YmURg0JrfznUn_ipVMAcGajtUI9CCUZ4RG6_VQZqpXkzBtPawjcK0UxKz3_IbKM4Fl925ttjQ6ZIFcE6F197N04CoVShebQCkd1NwKa9HejHAcoMYUJaceQ4x1b3lKUswgHvfoHNhaaWHY74TEeQ3vPcj1hIFAqJeSJXLzuWEnlsUQCsaDF8TRjkSRp_PmwFnSLVXW7s6hjenWdC0rCpo3E4tmkHIL1vTx9yJf5hDxAX75Egbq2PCB6BzhnJXDOagvWIjZLCQzrA3_iHIMxmJFk3qCGjI2FTIKcJfmtQZHnD0SKuhp2pXhPNYTm1VZWYyiQcQLfiXhfQ-46DGUouR1eZGMLbZDMau7SiGZKdqPpk7EJNvTHDjdDF7n-yuP71n-kTyaJB1hb0E5R-StQ9Lybi1KAsD6BJuYjNGVkvyn2KgAGoLMEaNX1349zue3s2roxIR0XlfhnwbtIw4kDV99CvC4GOucN6QYpD6uHxKv7tXONTORObhoRoN28YUXypL73Vtts3IlhAwhBHZUa30X5f8MjSpGz0UHEno_0ZmbudmA7CFvn1auuJZD5uuJYkEDxbHpY3Alrd8K_qfPgmgd_bbh0JZzp_pUQjHxfFZ6Fqt_iTe0_F9B7pCNfFX4EN4MFuMbuae9Io2Eub4fBUUQwu08kp4gLqbquQdZhOttmZGhFFHYpmJFFyJLsX90w7iICOq2VFl3nT4BB-c3_ct_0000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr data-nodeid=\"44777\"\/>\n<h2 data-nodeid=\"44778\">4. UML \u092e\u0947\u0902 \u0909\u0928\u094d\u0928\u0924 OCL \u0924\u0915\u0928\u0940\u0915\u0947\u0902<\/h2>\n<h3 data-nodeid=\"44779\">A. \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u093e<code data-backticks=\"1\" data-nodeid=\"44949\">let<\/code>\u092a\u0920\u0928\u0940\u092f\u0924\u093e \u0915\u0947 \u0932\u093f\u090f<\/h3>\n<p data-nodeid=\"44780\">\u091c\u092c \u090f\u0915 OCL \u0905\u092d\u093f\u0935\u094d\u092f\u0915\u094d\u0924\u093f \u092c\u0939\u0941\u0924 \u091c\u091f\u093f\u0932 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b \u0909\u0938\u0915\u0947 \u092d\u0940\u0924\u0930 \u0938\u094d\u0925\u093e\u0928\u0940\u092f \u091a\u0930 \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f\u00a0<code data-backticks=\"1\" data-nodeid=\"44952\">let<\/code>\u0915\u0940\u0935\u0930\u094d\u0921 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0928\u093f\u092f\u092e \u092e\u0947\u0902 \u0938\u094d\u0925\u093e\u0928\u0940\u092f \u091a\u0930 \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0930\u0947\u0902\u0964 \u0907\u0938\u0938\u0947 UML \u0928\u094b\u091f \u092a\u0922\u093c\u0928\u0947 \u092e\u0947\u0902 \u092c\u0939\u0941\u0924 \u0906\u0938\u093e\u0928 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p id=\"jRJogLz\"><img alt=\"\" class=\"alignnone size-full wp-image-25378\" decoding=\"async\" height=\"870\" loading=\"lazy\" sizes=\"auto, (max-width: 1917px) 100vw, 1917px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc.png 1917w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc-300x136.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc-1030x467.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc-768x349.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc-1536x697.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc-150x68.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a631597c90bc-400x182.png 400w\" width=\"1917\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:LL7DIiD04Bu7yWxVhMqWKX0leGaL4Un9eVW0s-qasMQpKtOdMXNVtKqCKc_BzpipkmsYl0ozJPFG6NTMNlNGLeLmB-BDOH3QQNPxyqbOfqcQJ1mU-xFb3o9yfGcGuvrz5vvTWJt9viNpYRHKQV8zEXmBmPkc5N3zvnnzMVOQZ6kmi2GBrEoXET9qWUN6w2BBHbMi5xh8F-VKckD1MJrO5VE5HLcqFFW0vOxGBUaE1nxSKNb3OJGOzpOD6YkVHc4nnG2n_TS_exlOrv17EVD085lVp3lcbMPhutxBgMsLLs7ebwjPQznL5AeIj-jfdYjmK-8kdf8YEfucJRRn6N_W1m00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:LL5DIyD04Bq7yX_crZOGAOYNqePw4En9eRyWncqRcsHBTkCdWdef8k91IqKA7fo2U53foPF-bVafJZPHsjFil9dtvkrCMsa_rLaSsPOQXid8J_qOWiXNQbFhDDpBjEW4Ckc6fmBgjcLRfWPRyIYI9qB0cMq1k70aqw7QIHhG5Rgvcye34MZFjivpHYArW3Ji3pJ8tZypvpaEuOpmcV27S064IFX9yrl22ISJceyvB4pr3YgHq1K3upU7Qy8tmW-Qtn1E6uwJwx5HBOxroWpZpotaBeifZuHN-LGZp_05XodX2-5heJqnDiRSnia39no-k8_mdHi8xujAIPqPZ1MVLgZvu30vDAi9a_wsp5BLC7O0-2kWfVQZ4ksmxxv8eLNM0PI8UclbLbqla5746wqEylQQwwaihjRAtZ1PaWAl1UlrFzTBUBC56tm_aUn3VW_RQlEJp_uB\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44781\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam classAttributeIconSize 0\r\n\r\nclass Employee {\r\n  - worksOn: Set&lt;Project&gt;\r\n}\r\n\r\nnote right of Employee\r\n  **\u091c\u091f\u093f\u0932 \u0924\u0930\u094d\u0915 \u0915\u0947 \u0932\u093f\u090f 'let' \u0915\u093e \u0909\u092a\u092f\u094b\u0917:**\r\n  context Employee\r\n  \r\n  -- \u0915\u0941\u0932 \u0918\u0902\u091f\u0947 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902 \u0914\u0930 \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u0940 \u091c\u093e\u0902\u091a \u0915\u0930\u0947\u0902\r\n  inv workingHours: \r\n    let totalHours: Integer = \r\n      self.worksOn-&gt;collect(hours)-&gt;sum() \r\n    in totalHours &gt;= 30 \u0914\u0930 totalHours &lt;= 50\r\nend note\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:LL5DIyD04Bq7yX_crZOGAOYNqePw4En9eRyWncqRcsHBTkCdWdef8k91IqKA7fo2U53foPF-bVafJZPHsjFil9dtvkrCMsa_rLaSsPOQXid8J_qOWiXNQbFhDDpBjEW4Ckc6fmBgjcLRfWPRyIYI9qB0cMq1k70aqw7QIHhG5Rgvcye34MZFjivpHYArW3Ji3pJ8tZypvpaEuOpmcV27S064IFX9yrl22ISJceyvB4pr3YgHq1K3upU7Qy8tmW-Qtn1E6uwJwx5HBOxroWpZpotaBeifZuHN-LGZp_05XodX2-5heJqnDiRSnia39no-k8_mdHi8xujAIPqPZ1MVLgZvu30vDAi9a_wsp5BLC7O0-2kWfVQZ4ksmxxv8eLNM0PI8UclbLbqla5746wqEylQQwwaihjRAtZ1PaWAl1UlrFzTBUBC56tm_aUn3VW_RQlEJp_uB\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:LL7DIiD04Bu7yWxVhMqWKX0leGaL4Un9eVW0s-qasMQpKtOdMXNVtKqCKc_BzpipkmsYl0ozJPFG6NTMNlNGLeLmB-BDOH3QQNPxyqbOfqcQJ1mU-xFb3o9yfGcGuvrz5vvTWJt9viNpYRHKQV8zEXmBmPkc5N3zvnnzMVOQZ6kmi2GBrEoXET9qWUN6w2BBHbMi5xh8F-VKckD1MJrO5VE5HLcqFFW0vOxGBUaE1nxSKNb3OJGOzpOD6YkVHc4nnG2n_TS_exlOrv17EVD085lVp3lcbMPhutxBgMsLLs7ebwjPQznL5AeIj-jfdYjmK-8kdf8YEfucJRRn6N_W1m00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3 data-nodeid=\"44782\">\u092c\u0940\u0964 \u092a\u094b\u0938\u094d\u091f-\u0936\u0930\u094d\u0924\u094b\u0902 \u092e\u0947\u0902 \u092a\u093f\u091b\u0932\u0947 \u092e\u093e\u0928\u094b\u0902 \u0915\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 (<code data-backticks=\"1\" data-nodeid=\"44955\">@pre<\/code>)<\/h3>\n<p data-nodeid=\"44783\">\u091c\u092c \u090f\u0915 \u092a\u094b\u0938\u094d\u091f-\u0936\u0930\u094d\u0924 \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0906\u092a\u0915\u094b \u0905\u0915\u094d\u0938\u0930\u00a0<em data-nodeid=\"44968\">\u0928\u092f\u093e<\/em>\u00a0\u0905\u0935\u0938\u094d\u0925\u093e \u0915\u0947 \u0938\u093e\u0925\u00a0<em data-nodeid=\"44969\">\u092a\u0941\u0930\u093e\u0928\u093e<\/em>\u00a0\u0905\u0935\u0938\u094d\u0925\u093e \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 OCL\u00a0<code data-backticks=\"1\" data-nodeid=\"44966\">@pre<\/code>\u00a0\u092a\u094b\u0938\u094d\u091f\u092b\u093f\u0915\u094d\u0938 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u090f\u0915 \u0917\u0941\u0923 \u0915\u0947 \u092e\u093e\u0928 \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u0948\u0938\u093e \u0915\u093f \u0915\u094d\u0930\u093f\u092f\u093e\u0928\u094d\u0935\u092f\u0928 \u0936\u0941\u0930\u0942 \u0939\u094b\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0925\u093e\u0964<\/p>\n<p id=\"kzEcVyQ\"><img alt=\"\" class=\"alignnone size-full wp-image-25379\" decoding=\"async\" height=\"875\" loading=\"lazy\" sizes=\"auto, (max-width: 1916px) 100vw, 1916px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b.png 1916w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b-300x137.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b-1030x470.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b-768x351.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b-1536x701.png 1536w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b-150x69.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a6315ba6f75b-400x183.png 400w\" width=\"1916\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:VL11JiCm4BnRyX_cM585SRQW2a8Sk24L7c2IRREgOrlsHb0GVyUEI0ySkEtCxEpERfV59fadfrK-iOyssGczipdVYoH-cuMU-k3t_4cuqKghHSD3cABrPtnf1RIWARfm9ie6UvBRnr-ug-eM8oTQgKqqMEihhRxhI1-4aFWu2i9X7LsjJVEQsH_HnKHWZ-UGfIrf1XOEFfkcgLs54FgGrMZCF_k09N2Bbv7WwVsI79a4d2653svOu7P1jIjIoi5NQomHJ57TuVfoDEx-43LlksFVktae-JUnR2O_e1wgLLVAyl0V\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:VL6nJiCm4Dqj-HzkBAc2c2seWX03SxyWf6vhaJXMx4WKX0GiW11YGaWiNHofOcXPGB30hzodO3i440EJxzwpttjtJhH9ArCNEINwG4YLLca1MPvglMrC9VPhm_UoKWx54OSDIYW97EoKXKhb38uf0OY15oelPvnh1aDkDdU_se5d-p0L5U-WdcBGrMkKd7X9MHeEbPXC3PJZJje_ZIAqZzXSett5vWRjF4RxWlOfD3OGvu1sYSs5hn9LSTVUeNrtnvL_QrVXrZsB8Y_e9Z7yq7GUZFqJ3I3C5Zkf1ThRLhYrNg9zS2QXFOMGpWMOGqXxvc5FBXpwY-p_23q7bPLNR2Un7mvzm-RIMwfI6mQQv-Frxxt2rX_0pneFXCpoUYJafATSOYv7u7T9IU9AzwUV\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"44784\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam classAttributeIconSize 0\r\n\r\nclass Company {\r\n  - employees: Set&lt;Employee&gt;\r\n  + hireEmployee(p: Employee)\r\n}\r\n\r\nnote right of Company\r\n  **\u092a\u094b\u0938\u094d\u091f-\u0936\u0930\u094d\u0924\u094b\u0902 \u092e\u0947\u0902 @pre \u0915\u093e \u0909\u092a\u092f\u094b\u0917:**\r\n  context Company::hireEmployee(p: Employee)\r\n  \r\n  -- \u0928\u090f \u0915\u0930\u094d\u092e\u091a\u093e\u0930\u0940 \u0938\u0947\u091f \u092a\u0941\u0930\u093e\u0928\u0947 \u0938\u0947\u091f + \u0928\u090f \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0939\u0948\r\n  post: self.employees = self.employees@pre-&gt;including(p)\r\nend note\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#plantuml:VL6nJiCm4Dqj-HzkBAc2c2seWX03SxyWf6vhaJXMx4WKX0GiW11YGaWiNHofOcXPGB30hzodO3i440EJxzwpttjtJhH9ArCNEINwG4YLLca1MPvglMrC9VPhm_UoKWx54OSDIYW97EoKXKhb38uf0OY15oelPvnh1aDkDdU_se5d-p0L5U-WdcBGrMkKd7X9MHeEbPXC3PJZJje_ZIAqZzXSett5vWRjF4RxWlOfD3OGvu1sYSs5hn9LSTVUeNrtnvL_QrVXrZsB8Y_e9Z7yq7GUZFqJ3I3C5Zkf1ThRLhYrNg9zS2QXFOMGpWMOGqXxvc5FBXpwY-p_23q7bPLNR2Un7mvzm-RIMwfI6mQQv-Frxxt2rX_0pneFXCpoUYJafATSOYv7u7T9IU9AzwUV\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:VL11JiCm4BnRyX_cM585SRQW2a8Sk24L7c2IRREgOrlsHb0GVyUEI0ySkEtCxEpERfV59fadfrK-iOyssGczipdVYoH-cuMU-k3t_4cuqKghHSD3cABrPtnf1RIWARfm9ie6UvBRnr-ug-eM8oTQgKqqMEihhRxhI1-4aFWu2i9X7LsjJVEQsH_HnKHWZ-UGfIrf1XOEFfkcgLs54FgGrMZCF_k09N2Bbv7WwVsI79a4d2653svOu7P1jIjIoi5NQomHJ57TuVfoDEx-43LlksFVktae-JUnR2O_e1wgLLVAyl0V\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode \u092e\u0947\u0902 Plantuml \u0938\u0902\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0947\u0902<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr data-nodeid=\"44785\"\/>\n<h2 data-nodeid=\"44786\">5. UML \u092e\u0947\u0902 OCL \u0915\u0947 \u0932\u093f\u090f \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u090f\u0902<\/h2>\n<ol data-nodeid=\"44787\">\n<li data-nodeid=\"44788\">\n<p data-nodeid=\"44789\"><strong data-nodeid=\"44977\">\u0905\u092a\u0928\u0940 \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u0947 \u0928\u093e\u092e \u0930\u0916\u0947\u0902:<\/strong>\u00a0\u0939\u092e\u0947\u0936\u093e \u0905\u092a\u0928\u0947 \u0905\u0928\u093f\u0935\u093e\u0930\u094d\u092f\u0924\u093e\u0913\u0902 \u0914\u0930 \u0936\u0930\u094d\u0924\u094b\u0902 \u0915\u093e \u0928\u093e\u092e \u0926\u0947\u0902 (\u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f\u00a0<code data-backticks=\"1\" data-nodeid=\"44975\">inv maxProjects:<\/code>)\u0964 \u0907\u0938\u0938\u0947 \u0926\u0938\u094d\u0924\u093e\u0935\u0947\u091c\u093c\u0940\u0915\u0930\u0923 \u092f\u093e \u091f\u094d\u0930\u0947\u0938\u0947\u092c\u093f\u0932\u093f\u091f\u0940 \u092e\u0948\u091f\u094d\u0930\u093f\u0915\u094d\u0938 \u092e\u0947\u0902 \u0909\u0928\u094d\u0939\u0947\u0902 \u0938\u0902\u0926\u0930\u094d\u092d\u093f\u0924 \u0915\u0930\u0928\u093e \u0906\u0938\u093e\u0928 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44790\">\n<p data-nodeid=\"44791\"><strong data-nodeid=\"44984\">\u0928\u094b\u091f\u094d\u0938 \u0915\u093e \u0930\u0923\u0928\u0940\u0924\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902:<\/strong>\u00a0PlantUML \u0914\u0930 \u0926\u0943\u0936\u094d\u092f UML \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u092e\u0947\u0902, OCL \u0915\u0947 \u0938\u093e\u0925 \u0915\u094d\u0932\u093e\u0938 \u092c\u0949\u0915\u094d\u0938 \u0915\u094b \u092d\u0930 \u0928 \u0926\u0947\u0902\u0964 OCL \u0915\u094b \u092a\u0921\u093c\u094b\u0938\u0940 \u0928\u094b\u091f\u094d\u0938 \u092e\u0947\u0902 \u0930\u0916\u0947\u0902\u0964 \u0907\u0938\u0938\u0947 \u0906\u0930\u0947\u0916 \u0938\u093e\u092b \u0914\u0930 \u092a\u0920\u0928\u0940\u092f \u0930\u0939\u0924\u093e \u0939\u0948\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44792\">\n<p data-nodeid=\"44793\"><strong data-nodeid=\"44995\">\u0905\u0924\u093f \u0938\u0940\u092e\u093e\u092c\u0926\u094d\u0927\u0924\u093e \u0928 \u0915\u0930\u0947\u0902:<\/strong>\u00a0\u0915\u0947\u0935\u0932 \u0909\u0928 \u0928\u093f\u092f\u092e\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f OCL \u0932\u093f\u0916\u0947\u0902 \u091c\u093f\u0928\u094d\u0939\u0947\u0902 UML \u092c\u0939\u0941\u0932\u0924\u093e (\u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f\u00a0<code data-backticks=\"1\" data-nodeid=\"44991\">0..1<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"44993\">1..*<\/code>) \u092f\u093e \u092e\u0942\u0932\u092d\u0942\u0924 \u092a\u094d\u0930\u0915\u093e\u0930\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e \u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0935\u094d\u092f\u0915\u094d\u0924 \u0928\u0939\u0940\u0902 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0915\u094b\u0908 \u0928\u093f\u092f\u092e \u0926\u0943\u0936\u094d\u092f \u0930\u0942\u092a \u0938\u0947 \u0926\u0930\u094d\u0936\u093e\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948, \u0924\u094b \u0909\u0938\u0947 \u0926\u0943\u0936\u094d\u092f \u0930\u0942\u092a \u0938\u0947 \u0926\u0930\u094d\u0936\u093e\u090f\u0902\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44794\">\n<p data-nodeid=\"44795\"><strong data-nodeid=\"45008\">\u0938\u0902\u0917\u094d\u0930\u0939 \u0907\u091f\u0930\u0947\u091f\u0930 \u0915\u093e \u0932\u093e\u092d \u0909\u0920\u093e\u090f\u0902:<\/strong>\u00a0\u092e\u093e\u0938\u094d\u091f\u0930\u00a0<code data-backticks=\"1\" data-nodeid=\"45000\">-&gt;select()<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"45002\">-&gt;forAll()<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"45004\">-&gt;exists()<\/code>, \u0914\u0930\u00a0<code data-backticks=\"1\" data-nodeid=\"45006\">-&gt;collect()<\/code>. \u0935\u0947 OCL \u092e\u0947\u0902 UML \u0938\u0902\u092c\u0902\u0927\u094b\u0902 \u0915\u094b \u0928\u0948\u0935\u093f\u0917\u0947\u091f \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u092c\u0938\u0947 \u0936\u0915\u094d\u0924\u093f\u0936\u093e\u0932\u0940 \u0909\u092a\u0915\u0930\u0923 \u0939\u0948\u0902\u0964<\/p>\n<\/li>\n<li data-nodeid=\"44796\">\n<p class=\"\" data-nodeid=\"44797\"><strong data-nodeid=\"45021\">\u0928\u0932\/\u0916\u093e\u0932\u0940 \u0938\u0947\u091f \u0915\u0940 \u091c\u093e\u0902\u091a \u0915\u0930\u0947\u0902:<\/strong>\u00a0\u091c\u092c \u0935\u0948\u0915\u0932\u094d\u092a\u093f\u0915 \u0938\u0902\u092c\u0902\u0927\u094b\u0902 (\u092c\u0939\u0941\u0932\u0924\u093e\u00a0<code data-backticks=\"1\" data-nodeid=\"45013\">0..1<\/code>\u00a0\u092f\u093e\u00a0<code data-backticks=\"1\" data-nodeid=\"45015\">0..*<\/code>), \u0939\u092e\u0947\u0936\u093e\u00a0<code data-backticks=\"1\" data-nodeid=\"45017\">-&gt;notEmpty()<\/code>\u00a0\u092f\u093e\u00a0<code data-backticks=\"1\" data-nodeid=\"45019\">-&gt;isEmpty()<\/code>\u00a0\u0917\u0941\u0923\u094b\u0902 \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0905\u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u092e\u0942\u0932\u094d\u092f\u093e\u0902\u0915\u0928 \u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0938\u0947 \u092c\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902\u0964<\/p>\n<\/li>\n<\/ol>\n<p>\u00a0<\/p>\n<h1 class=\"qwen-markdown-heading\" dir=\"ltr\"><span class=\"qwen-markdown-text\" data-spm-anchor-id=\"a2ty_o01.29997173.0.i226.290055fbrGIlFE\">\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/span><\/h1>\n<div class=\"qwen-markdown-paragraph\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u0938\u0949\u092b\u094d\u091f\u0935\u0947\u092f\u0930 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0915\u0947 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902, \u0905\u0938\u094d\u092a\u0937\u094d\u091f\u0924\u093e \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0915\u0947 \u0936\u0924\u094d\u0930\u0941 \u0939\u0948\u0964 \u091c\u092c\u0915\u093f UML \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0935\u093e\u0938\u094d\u0924\u0941\u0915\u0932\u093e \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u091a\u0930\u094d\u091a\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u092e\u094b\u0932 \u0926\u0943\u0936\u094d\u092f \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948, \u0935\u0938\u094d\u0924\u0941 \u0938\u0940\u092e\u093e\u0902\u0915\u0928 \u092d\u093e\u0937\u093e (OCL) \u0915\u0947 \u090f\u0915\u0940\u0915\u0930\u0923 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0935\u0947 \u0926\u0943\u0936\u094d\u092f \u0906\u0930\u0947\u0916 \u090f\u0915 \u0915\u0920\u094b\u0930, \u0905\u0938\u094d\u092a\u0937\u094d\u091f \u0935\u093f\u0935\u0930\u0923 \u092e\u0947\u0902 \u092c\u0926\u0932 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/span><\/div>\n<div class=\"qwen-markdown-space\"><\/div>\n<div class=\"qwen-markdown-paragraph\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u091c\u0948\u0938\u093e \u0915\u093f \u0939\u092e\u0928\u0947 \u0907\u0938 \u0917\u093e\u0907\u0921 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0905\u0928\u094d\u0935\u0947\u0937\u0923 \u0915\u093f\u092f\u093e \u0939\u0948, OCL \u0909\u091a\u094d\u091a \u0938\u094d\u0924\u0930\u0940\u092f \u0921\u093f\u091c\u093e\u0907\u0928 \u0914\u0930 \u0915\u093e\u0930\u094d\u092f\u093e\u0928\u094d\u0935\u092f\u0928 \u0915\u0947 \u092c\u0940\u091a \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0938\u0947\u0924\u0941 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0915\u094d\u0932\u093e\u0938 \u0905\u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928\u0940\u092f\u0924\u093e\u0913\u0902, \u0938\u0902\u091a\u093e\u0932\u0928 \u0905\u0928\u0941\u092c\u0902\u0927\u094b\u0902 \u0914\u0930 \u0938\u0902\u0917\u094d\u0930\u0939 \u0907\u091f\u0930\u0947\u091f\u0930 \u0915\u094b \u0938\u092e\u091d\u0915\u0930, \u0906\u092a \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f \u0906\u092a\u0915\u0947 \u0935\u094d\u092f\u093e\u092a\u093e\u0930 \u0928\u093f\u092f\u092e \u0921\u093f\u091c\u093e\u0907\u0928 \u091f\u0940\u092e \u0914\u0930 \u0935\u093f\u0915\u093e\u0938\u0915\u0930\u094d\u092e\u093f\u092f\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0905\u0928\u0941\u0935\u093e\u0926 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u0916\u094b \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938\u0915\u0947 \u0905\u0932\u093e\u0935\u093e, PlantUML \u091c\u0948\u0938\u0947 \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0906\u092a \u0905\u092a\u0928\u0947 OCL \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u094b \u0938\u0902\u0938\u094d\u0915\u0930\u0923 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u092e\u0947\u0902 \u0930\u0916 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902, \u092a\u0922\u093c\u0928\u0947 \u092f\u094b\u0917\u094d\u092f \u092c\u0928\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u0914\u0930 \u0905\u092a\u0928\u0947 \u0926\u0943\u0936\u094d\u092f \u0906\u0930\u0947\u0916\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0928\u093f\u0930\u0902\u0924\u0930 \u0930\u0942\u092a \u0938\u0947 \u090f\u0915\u0940\u0915\u0943\u0924 \u0930\u0916 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/span><\/div>\n<div class=\"qwen-markdown-space\"><\/div>\n<div class=\"qwen-markdown-paragraph\" dir=\"ltr\"><span class=\"qwen-markdown-text\">\u0905\u0902\u0924\u0924\u0903, OCL \u0915\u094b \u0905\u092a\u0928\u093e\u0928\u0947 \u0938\u0947 \u0906\u092a\u0915\u0947 \u092e\u0949\u0921\u0932\u093f\u0902\u0917 \u0905\u092d\u094d\u092f\u093e\u0938 \u0915\u093e \u0938\u094d\u0924\u0930 \u090a\u092a\u0930 \u0909\u0920 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0906\u092a\u0915\u0940 \u092d\u0942\u092e\u093f\u0915\u093e \u0915\u094b \u0938\u093f\u0930\u094d\u092b \u201c\u092c\u0949\u0915\u094d\u0938 \u0914\u0930 \u0930\u0947\u0916\u093e\u090f\u0902 \u092c\u0928\u093e\u0928\u0947\u201d \u0938\u0947 \u0932\u0947\u0915\u0930 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u0947 \u0938\u091f\u0940\u0915, \u0917\u0923\u093f\u0924\u0940\u092f \u0905\u0930\u094d\u0925 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0913\u0930 \u092c\u0926\u0932 \u0926\u0947\u0924\u093e \u0939\u0948\u0964 UML \u0915\u0940 \u0926\u0943\u0936\u094d\u092f \u0938\u094d\u092a\u0937\u094d\u091f\u0924\u093e \u0914\u0930 OCL \u0915\u0940 \u0914\u092a\u091a\u093e\u0930\u093f\u0915 \u0938\u091f\u0940\u0915\u0924\u093e \u0915\u0947 \u0938\u0902\u0917\u092e \u0915\u094b \u0905\u092a\u0928\u093e\u0915\u0930, \u0906\u092a \u090f\u0915 \u092c\u0939\u0941\u0924 \u092e\u091c\u092c\u0942\u0924 \u0906\u0927\u093e\u0930 \u0930\u0916\u0924\u0947 \u0939\u0948\u0902 \u091c\u093f\u0938 \u092a\u0930 \u0928 \u0915\u0947\u0935\u0932 \u0905\u091a\u094d\u091b\u0940 \u0924\u0930\u0939 \u0921\u093f\u091c\u093e\u0907\u0928 \u0915\u093f\u090f \u0917\u090f \u092c\u0932\u094d\u0915\u093f \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0935\u094d\u092f\u093e\u092a\u093e\u0930 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0938\u0916\u094d\u0924\u0940 \u0938\u0947 \u0938\u0902\u0930\u0947\u0916\u093f\u0924 \u0938\u0949\u092b\u094d\u091f\u0935\u0947\u092f\u0930 \u092c\u0928\u093e\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/span><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u092a\u0930\u093f\u091a\u092f \u091c\u092c\u0915\u093f \u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u092e\u0949\u0921\u0932\u093f\u0902\u0917 \u092d\u093e\u0937\u093e (UML) \u0938\u0949\u092b\u094d\u091f\u0935\u0947\u092f\u0930 \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0915\u0947 \u0926\u0943\u0936\u094d\u092f\u093e\u0924\u094d\u092e\u0915 \u091a\u093f\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u092e\u093e\u0928\u093f\u0924 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u093e\u0928\u0915 \u0939\u0948, \u0907\u0938\u092e\u0947\u0902 \u090f\u0915 \u0906\u0902\u0924\u0930\u093f\u0915 \u0938\u0940\u092e\u093e \u0939\u0948: \u0906\u0930\u0947\u0916 \u092f\u0939 \u0926\u093f\u0916\u093e\u0928\u0947 \u092e\u0947\u0902 \u092c\u0939\u0941\u0924 \u0905\u091a\u094d\u091b\u0947 \u0939\u0948\u0902 \u0915\u093f\u0915\u094d\u092f\u093e\u090f\u0915 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u093f\u0938\u0938\u0947 \u092c\u0928\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0935\u0947 \u091c\u091f\u093f\u0932, \u0938\u0942\u0915\u094d\u0937\u094d\u092e \u0935\u094d\u092f\u093e\u0935\u0938\u093e\u092f\u093f\u0915 \u0928\u093f\u092f\u092e\u094b\u0902 \u0915\u094b \u0935\u094d\u092f\u0915\u094d\u0924 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0915\u0920\u093f\u0928\u093e\u0908 \u092e\u0939\u0938\u0942\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0915\u0948\u0938\u0947\u092f\u0939 \u0915\u0948\u0938\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u0930\u0924\u093e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[82],"tags":[],"class_list":["post-26909","post","type-post","status-publish","format-standard","hentry","category-uml","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OCL \u0915\u093e UML \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0915\u093e \u0935\u094d\u092f\u093e\u092a\u0915 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e, PlantUML \u0909\u0926\u093e\u0939\u0930\u0923\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 - Visual Paradigm Blog Indian<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/in\/a-comprehensive-guide-to-using-ocl-in-uml-with-plantuml-examples\/\" \/>\n<meta property=\"og:locale\" content=\"hi_IN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OCL \u0915\u093e UML \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0915\u093e \u0935\u094d\u092f\u093e\u092a\u0915 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e, PlantUML \u0909\u0926\u093e\u0939\u0930\u0923\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 - Visual Paradigm Blog Indian\" \/>\n<meta property=\"og:description\" content=\"\u092a\u0930\u093f\u091a\u092f \u091c\u092c\u0915\u093f \u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u092e\u0949\u0921\u0932\u093f\u0902\u0917 \u092d\u093e\u0937\u093e (UML) \u0938\u0949\u092b\u094d\u091f\u0935\u0947\u092f\u0930 \u0906\u0930\u094d\u0915\u093f\u091f\u0947\u0915\u094d\u091a\u0930 \u0915\u0947 \u0926\u0943\u0936\u094d\u092f\u093e\u0924\u094d\u092e\u0915 \u091a\u093f\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u092e\u093e\u0928\u093f\u0924 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u093e\u0928\u0915 \u0939\u0948, \u0907\u0938\u092e\u0947\u0902 \u090f\u0915 \u0906\u0902\u0924\u0930\u093f\u0915 \u0938\u0940\u092e\u093e \u0939\u0948: \u0906\u0930\u0947\u0916 \u092f\u0939 \u0926\u093f\u0916\u093e\u0928\u0947 \u092e\u0947\u0902 \u092c\u0939\u0941\u0924 \u0905\u091a\u094d\u091b\u0947 \u0939\u0948\u0902 \u0915\u093f\u0915\u094d\u092f\u093e\u090f\u0915 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u093f\u0938\u0938\u0947 \u092c\u0928\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0935\u0947 \u091c\u091f\u093f\u0932, \u0938\u0942\u0915\u094d\u0937\u094d\u092e \u0935\u094d\u092f\u093e\u0935\u0938\u093e\u092f\u093f\u0915 \u0928\u093f\u092f\u092e\u094b\u0902 \u0915\u094b \u0935\u094d\u092f\u0915\u094d\u0924 \u0915\u0930\u0928\u0947 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