{"id":3417,"date":"2022-02-09T12:17:45","date_gmt":"2022-02-09T04:17:45","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/fr\/?p=3417"},"modified":"2022-11-24T17:54:11","modified_gmt":"2022-11-24T09:54:11","slug":"what-is-multiplicity","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/","title":{"rendered":"Qu&#8217;est-Ce Que La Multiplicit\u00e9"},"content":{"rendered":"<article class=\"post-entry post-entry-type-standard post-entry-3417 post-loop-1 post-parity-odd post-entry-last single-big with-slider post-3417 post type-post status-publish format-standard has-post-thumbnail hentry category-uml\">\n<div class=\"entry-content-wrapper clearfix standard-content\">\n<div class=\"entry-content\">\n<p>La multiplicit\u00e9 dans le\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\">diagramme de classe<\/a>\u00a0doit \u00eatre indiqu\u00e9e \u00e0 chaque extr\u00e9mit\u00e9 de l&#8217;association.\u00a0Cela sp\u00e9cifie le nombre minimum et maximum d&#8217;instances qui peuvent \u00eatre li\u00e9es.<\/p>\n<p>Par exemple, une voiture a 3 ou 4 roues, mais chaque roue appartient \u00e0 exactement une voiture.\u00a0Placez les notations de multiplicit\u00e9 pr\u00e8s des extr\u00e9mit\u00e9s d&#8217;une association.\u00a0Ces symboles indiquent le nombre d&#8217;instances d&#8217;une classe li\u00e9es \u00e0 une instance de l&#8217;autre classe.<\/p>\n<p>Par exemple, une entreprise aura un ou plusieurs employ\u00e9s, mais chaque employ\u00e9 travaille pour une seule entreprise.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/05-multiplicities-examples.png\" alt=\"\u591a\u91cd\u6027\u793a\u4f8b\" \/><\/p>\n<ul>\n<li>Les valeurs minimales et maximales sont s\u00e9par\u00e9es par deux points.<\/li>\n<li><span class=\"goog-text-highlight\">Un ast\u00e9risque (*) repr\u00e9sente une valeur maximale ind\u00e9termin\u00e9e.<\/span><\/li>\n<li>Dans le cas o\u00f9 les valeurs minimale et maximale sont identiques, le nombre n&#8217;est affich\u00e9 qu&#8217;une seule fois.<\/li>\n<li>De plus, z\u00e9ro ou plus (0\u2026 *) est \u00e9galement appel\u00e9 ast\u00e9risque simple (*) car il est courant.<\/li>\n<\/ul>\n<p>Enfin, les plages et\/ou les valeurs individuelles peuvent \u00eatre s\u00e9par\u00e9es par des virgules pour r\u00e9pertorier les valeurs alternatives, c&#8217;est-\u00e0-dire 1..3, 5..8<\/p>\n<p>&nbsp;<\/p>\n<p>Exemple de diagramme de classes<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/company-structure.png\" \/><\/p>\n<p><a class=\"edit-template-v1\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ClassDiagram&amp;gallery=\/repository\/e952006a-41a9-4866-83dd-8dad5219dc15.xml&amp;name=Company%20Structure\">MODIFIER LE DIAGRAMME DE CLASSES EN LIGNE<\/a><\/p>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>La multiplicit\u00e9 dans le diagramme de classes doit \u00eatre indiqu\u00e9e \u00e0 chaque extr\u00e9mit\u00e9 de l&#8217;association. Cela sp\u00e9cifie le nombre minimum et maximum d&#8217;instances qui peuvent \u00eatre li\u00e9es.<br \/>\nPar exemple, une voiture a 3 ou 4 roues, mais chaque roue appartient \u00e0 une seule voiture. Placez des notations de multiplicit\u00e9 pr\u00e8s des extr\u00e9mit\u00e9s d&#8217;une association. Ces symboles indiquent le nombre d&#8217;instances d&#8217;une classe li\u00e9es \u00e0 une instance de l&#8217;autre classe.<\/p>\n","protected":false},"author":1,"featured_media":3495,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-3417","post","type-post","status-publish","format-standard","has-post-thumbnail","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>Qu&#039;est-Ce Que La Multiplicit\u00e9<\/title>\n<meta name=\"description\" content=\"Multiplicity in class diagram should be indicated at each end of the association. This specifies the minimum and maximum number of instances that can be linked. For example, a car has 3 or 4 wheels, but each wheel belongs to exactly one car. Place multiplicity notations near the ends of an association. These symbols indicate the number of instances of one class linked to one instance of the other class.\" \/>\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\/fr\/what-is-multiplicity\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-Ce Que La Multiplicit\u00e9\" \/>\n<meta property=\"og:description\" content=\"Multiplicity in class diagram should be indicated at each end of the association. This specifies the minimum and maximum number of instances that can be linked. For example, a car has 3 or 4 wheels, but each wheel belongs to exactly one car. Place multiplicity notations near the ends of an association. These symbols indicate the number of instances of one class linked to one instance of the other class.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/\" \/>\n<meta property=\"og:site_name\" content=\"Visual Paradigm Blog Fran\u00e7ais\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-09T04:17:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-24T09:54:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png\" \/>\n\t<meta property=\"og:image:width\" content=\"542\" \/>\n\t<meta property=\"og:image:height\" content=\"469\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/\",\"url\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/\",\"name\":\"Qu'est-Ce Que La Multiplicit\u00e9\",\"isPartOf\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png\",\"datePublished\":\"2022-02-09T04:17:45+00:00\",\"dateModified\":\"2022-11-24T09:54:11+00:00\",\"author\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/#\/schema\/person\/a649c442f11a53040710ddec750926c6\"},\"description\":\"Multiplicity in class diagram should be indicated at each end of the association. This specifies the minimum and maximum number of instances that can be linked. For example, a car has 3 or 4 wheels, but each wheel belongs to exactly one car. Place multiplicity notations near the ends of an association. These symbols indicate the number of instances of one class linked to one instance of the other class.\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#primaryimage\",\"url\":\"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png\",\"contentUrl\":\"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png\",\"width\":542,\"height\":469},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.visual-paradigm.com\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Qu&#8217;est-Ce Que La Multiplicit\u00e9\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/#website\",\"url\":\"https:\/\/blog.visual-paradigm.com\/fr\/\",\"name\":\"Visual Paradigm Blog Fran\u00e7ais\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.visual-paradigm.com\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/#\/schema\/person\/a649c442f11a53040710ddec750926c6\",\"name\":\"Admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/fr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g\",\"caption\":\"Admin\"},\"url\":\"https:\/\/blog.visual-paradigm.com\/fr\/author\/vpadminuser\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Qu'est-Ce Que La Multiplicit\u00e9","description":"Multiplicity in class diagram should be indicated at each end of the association. This specifies the minimum and maximum number of instances that can be linked. For example, a car has 3 or 4 wheels, but each wheel belongs to exactly one car. Place multiplicity notations near the ends of an association. These symbols indicate the number of instances of one class linked to one instance of the other class.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/","og_locale":"fr_FR","og_type":"article","og_title":"Qu'est-Ce Que La Multiplicit\u00e9","og_description":"Multiplicity in class diagram should be indicated at each end of the association. This specifies the minimum and maximum number of instances that can be linked. For example, a car has 3 or 4 wheels, but each wheel belongs to exactly one car. Place multiplicity notations near the ends of an association. These symbols indicate the number of instances of one class linked to one instance of the other class.","og_url":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/","og_site_name":"Visual Paradigm Blog Fran\u00e7ais","article_published_time":"2022-02-09T04:17:45+00:00","article_modified_time":"2022-11-24T09:54:11+00:00","og_image":[{"width":542,"height":469,"url":"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png","type":"image\/png"}],"author":"Admin","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Admin","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/","url":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/","name":"Qu'est-Ce Que La Multiplicit\u00e9","isPartOf":{"@id":"https:\/\/blog.visual-paradigm.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#primaryimage"},"image":{"@id":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png","datePublished":"2022-02-09T04:17:45+00:00","dateModified":"2022-11-24T09:54:11+00:00","author":{"@id":"https:\/\/blog.visual-paradigm.com\/fr\/#\/schema\/person\/a649c442f11a53040710ddec750926c6"},"description":"Multiplicity in class diagram should be indicated at each end of the association. This specifies the minimum and maximum number of instances that can be linked. For example, a car has 3 or 4 wheels, but each wheel belongs to exactly one car. Place multiplicity notations near the ends of an association. These symbols indicate the number of instances of one class linked to one instance of the other class.","breadcrumb":{"@id":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#primaryimage","url":"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png","contentUrl":"https:\/\/blog.visual-paradigm.com\/fr\/wp-content\/uploads\/sites\/9\/2022\/02\/what-is-multiplicity.png","width":542,"height":469},{"@type":"BreadcrumbList","@id":"https:\/\/blog.visual-paradigm.com\/fr\/what-is-multiplicity\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/blog.visual-paradigm.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Qu&#8217;est-Ce Que La Multiplicit\u00e9"}]},{"@type":"WebSite","@id":"https:\/\/blog.visual-paradigm.com\/fr\/#website","url":"https:\/\/blog.visual-paradigm.com\/fr\/","name":"Visual Paradigm Blog Fran\u00e7ais","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.visual-paradigm.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/blog.visual-paradigm.com\/fr\/#\/schema\/person\/a649c442f11a53040710ddec750926c6","name":"Admin","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blog.visual-paradigm.com\/fr\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g","caption":"Admin"},"url":"https:\/\/blog.visual-paradigm.com\/fr\/author\/vpadminuser\/"}]}},"modified_by":"vpmiku","_links":{"self":[{"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/posts\/3417","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/comments?post=3417"}],"version-history":[{"count":8,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/posts\/3417\/revisions"}],"predecessor-version":[{"id":8454,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/posts\/3417\/revisions\/8454"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/media\/3495"}],"wp:attachment":[{"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/media?parent=3417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/categories?post=3417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/fr\/wp-json\/wp\/v2\/tags?post=3417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}