{"id":12216,"date":"2024-03-14T15:23:32","date_gmt":"2024-03-14T15:23:32","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/"},"modified":"2025-08-04T22:52:55","modified_gmt":"2025-08-04T22:52:55","slug":"what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/","title":{"rendered":"Java Multithreading: Thread vs Runnable"},"content":{"rendered":"<p>There are two ways to implement multithreading in Java: by extending the Thread class or by implementing the Runnable interface.<\/p>\n<ol>\n<li>Inheriting from the Thread class involves creating a subclass that extends Thread, overriding the run() method, and defining the thread&#8217;s task within it. By creating an object of this subclass and calling the start() method, the thread can be started. This method is simple and intuitive, but because Java does not support multiple inheritance, inheriting from the Thread class means that other classes cannot be inherited.<\/li>\n<\/ol>\n<p>The sample code is as follows:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyThread<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title class_\">Thread<\/span> {\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">run<\/span><span class=\"hljs-params\">()<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u7ebf\u7a0b\u7684\u4efb\u52a1<\/span>\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-type\">MyThread<\/span> <span class=\"hljs-variable\">thread<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">MyThread<\/span>();\r\n        thread.start();\r\n    }\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Implementing the Runnable interface involves creating a class that implements the interface, overrides the run() method, defines the thread&#8217;s task within it, then creating an object of that class, passing it as a parameter to the Thread class constructor, and finally calling the start() method to start the thread. This approach helps to avoid Java&#8217;s single inheritance limitation and allows classes that implement the interface to be inherited by other classes or used as parameters.<\/li>\n<\/ol>\n<p>The sample code is as follows:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyRunnable<\/span> <span class=\"hljs-keyword\">implements<\/span> <span class=\"hljs-title class_\">Runnable<\/span> {\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">run<\/span><span class=\"hljs-params\">()<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u7ebf\u7a0b\u7684\u4efb\u52a1<\/span>\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-type\">MyRunnable<\/span> <span class=\"hljs-variable\">myRunnable<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">MyRunnable<\/span>();\r\n        <span class=\"hljs-type\">Thread<\/span> <span class=\"hljs-variable\">thread<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Thread<\/span>(myRunnable);\r\n        thread.start();\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>Difference:<\/p>\n<ol>\n<li>When inheriting the Thread class, you have to directly manipulate the Thread class itself, whereas when implementing the Runnable interface, you can separate the task from the thread operation, making the code clearer and easier to maintain.<\/li>\n<li>Extending the Thread class only allows inheriting from one class, while implementing the Runnable interface enables implementing multiple interfaces. Therefore, classes implementing the Runnable interface can inherit from other classes, avoiding the limitation of single inheritance.<\/li>\n<li>When a thread object is created by inheriting the Thread class, the thread class is the object itself, while when a thread object is created by implementing the Runnable interface, the thread class is created by passing an object that implements the Runnable interface as a parameter to the constructor of the Thread class.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>There are two ways to implement multithreading in Java: by extending the Thread class or by implementing the Runnable interface. Inheriting from the Thread class involves creating a subclass that extends Thread, overriding the run() method, and defining the thread&#8217;s task within it. By creating an object of this subclass and calling the start() method, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[219,217,180,7485,7484],"class_list":["post-12216","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java-concurrency","tag-java-multithreading","tag-java-programming","tag-runnable-interface","tag-thread-class"],"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>Java Multithreading: Thread vs Runnable - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Two ways to implement multithreading in Java: Thread class vs Runnable interface. Key differences explained.\" \/>\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-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java Multithreading: Thread vs Runnable\" \/>\n<meta property=\"og:description\" content=\"Two ways to implement multithreading in Java: Thread class vs Runnable interface. Key differences explained.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\" \/>\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=\"2024-03-14T15:23:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-04T22:52:55+00:00\" \/>\n<meta name=\"author\" content=\"Olivia Parker\" \/>\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=\"Olivia Parker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\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\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\"},\"author\":{\"name\":\"Olivia Parker\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\"},\"headline\":\"Java Multithreading: Thread vs Runnable\",\"datePublished\":\"2024-03-14T15:23:32+00:00\",\"dateModified\":\"2025-08-04T22:52:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\"},\"wordCount\":309,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"Java concurrency\",\"Java multithreading\",\"Java programming\",\"Runnable interface\",\"Thread class\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\",\"name\":\"Java Multithreading: Thread vs Runnable - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T15:23:32+00:00\",\"dateModified\":\"2025-08-04T22:52:55+00:00\",\"description\":\"Two ways to implement multithreading in Java: Thread class vs Runnable interface. Key differences explained.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java Multithreading: Thread vs Runnable\"}]},{\"@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\/3ff7b3da0e45ac5dbbef2502f3cea8d9\",\"name\":\"Olivia Parker\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g\",\"caption\":\"Olivia Parker\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/oliviaparker\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java Multithreading: Thread vs Runnable - Blog - Silicon Cloud","description":"Two ways to implement multithreading in Java: Thread class vs Runnable interface. Key differences explained.","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-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/","og_locale":"en_US","og_type":"article","og_title":"Java Multithreading: Thread vs Runnable","og_description":"Two ways to implement multithreading in Java: Thread class vs Runnable interface. Key differences explained.","og_url":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T15:23:32+00:00","article_modified_time":"2025-08-04T22:52:55+00:00","author":"Olivia Parker","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Olivia Parker","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/"},"author":{"name":"Olivia Parker","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9"},"headline":"Java Multithreading: Thread vs Runnable","datePublished":"2024-03-14T15:23:32+00:00","dateModified":"2025-08-04T22:52:55+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/"},"wordCount":309,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["Java concurrency","Java multithreading","Java programming","Runnable interface","Thread class"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/","url":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/","name":"Java Multithreading: Thread vs Runnable - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-14T15:23:32+00:00","dateModified":"2025-08-04T22:52:55+00:00","description":"Two ways to implement multithreading in Java: Thread class vs Runnable interface. Key differences explained.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-two-ways-to-implement-multithreading-in-java-and-what-is-the-difference-between-them\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Java Multithreading: Thread vs Runnable"}]},{"@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\/3ff7b3da0e45ac5dbbef2502f3cea8d9","name":"Olivia Parker","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g","caption":"Olivia Parker"},"url":"https:\/\/www.silicloud.com\/blog\/author\/oliviaparker\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/12216","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\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=12216"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/12216\/revisions"}],"predecessor-version":[{"id":156016,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/12216\/revisions\/156016"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=12216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=12216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=12216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}