{"id":25833,"date":"2024-03-16T05:40:09","date_gmt":"2024-03-16T05:40:09","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/"},"modified":"2024-03-22T07:07:40","modified_gmt":"2024-03-22T07:07:40","slug":"what-does-polymorphism-mean-in-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/","title":{"rendered":"What does polymorphism mean in Java?"},"content":{"rendered":"<p>In object-oriented programming, polymorphism in Java refers to an object&#8217;s ability to respond to the same method call differently based on its specific class.<\/p>\n<p>Specifically, polymorphism mainly includes two aspects of meanings:<\/p>\n<ol>\n<li>Subclass objects can be assigned to parent class reference variables, meaning that a subclass can be upcasted to a parent class. This way, by using a parent class reference variable, one can call methods that have been overridden by the subclass, allowing for a uniform operation on different subclass objects.<\/li>\n<li>Declare an abstract method in the parent class, and implement this method in the subclass. When using a reference variable of the parent class to point to an object of the subclass and calling the abstract method, the corresponding method will be executed based on the actual type of the subclass object (run-time type).<\/li>\n<\/ol>\n<p>Polymorphism makes programs more flexible, extensible, and enhances the readability and maintainability of the code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In object-oriented programming, polymorphism in Java refers to an object&#8217;s ability to respond to the same method call differently based on its specific class. Specifically, polymorphism mainly includes two aspects of meanings: Subclass objects can be assigned to parent class reference variables, meaning that a subclass can be upcasted to a parent class. This way, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-25833","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What does polymorphism mean in Java? - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What does polymorphism mean in Java?\" \/>\n<meta property=\"og:description\" content=\"In object-oriented programming, polymorphism in Java refers to an object&#8217;s ability to respond to the same method call differently based on its specific class. Specifically, polymorphism mainly includes two aspects of meanings: Subclass objects can be assigned to parent class reference variables, meaning that a subclass can be upcasted to a parent class. This way, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T05:40:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T07:07:40+00:00\" \/>\n<meta name=\"author\" content=\"Emily Johnson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Emily Johnson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\"},\"author\":{\"name\":\"Emily Johnson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3b041b19cffc258705478ecfab895378\"},\"headline\":\"What does polymorphism mean in Java?\",\"datePublished\":\"2024-03-16T05:40:09+00:00\",\"dateModified\":\"2024-03-22T07:07:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\"},\"wordCount\":158,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\",\"name\":\"What does polymorphism mean in Java? - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-16T05:40:09+00:00\",\"dateModified\":\"2024-03-22T07:07:40+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What does polymorphism mean in Java?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3b041b19cffc258705478ecfab895378\",\"name\":\"Emily Johnson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a5cb4e73d02ab1d79f2dfe919389ff7c1de072baa97686392031c03d858cc358?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a5cb4e73d02ab1d79f2dfe919389ff7c1de072baa97686392031c03d858cc358?s=96&d=mm&r=g\",\"caption\":\"Emily Johnson\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/emilyjohnson\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"What does polymorphism mean in Java? - Blog - Silicon Cloud","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:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/","og_locale":"en_US","og_type":"article","og_title":"What does polymorphism mean in Java?","og_description":"In object-oriented programming, polymorphism in Java refers to an object&#8217;s ability to respond to the same method call differently based on its specific class. Specifically, polymorphism mainly includes two aspects of meanings: Subclass objects can be assigned to parent class reference variables, meaning that a subclass can be upcasted to a parent class. This way, [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T05:40:09+00:00","article_modified_time":"2024-03-22T07:07:40+00:00","author":"Emily Johnson","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Emily Johnson","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/"},"author":{"name":"Emily Johnson","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3b041b19cffc258705478ecfab895378"},"headline":"What does polymorphism mean in Java?","datePublished":"2024-03-16T05:40:09+00:00","dateModified":"2024-03-22T07:07:40+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/"},"wordCount":158,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/","url":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/","name":"What does polymorphism mean in Java? - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-16T05:40:09+00:00","dateModified":"2024-03-22T07:07:40+00:00","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/what-does-polymorphism-mean-in-java\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"What does polymorphism mean in Java?"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3b041b19cffc258705478ecfab895378","name":"Emily Johnson","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a5cb4e73d02ab1d79f2dfe919389ff7c1de072baa97686392031c03d858cc358?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a5cb4e73d02ab1d79f2dfe919389ff7c1de072baa97686392031c03d858cc358?s=96&d=mm&r=g","caption":"Emily Johnson"},"url":"https:\/\/www.silicloud.com\/blog\/author\/emilyjohnson\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/25833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=25833"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/25833\/revisions"}],"predecessor-version":[{"id":59966,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/25833\/revisions\/59966"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=25833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=25833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=25833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}