{"id":3764,"date":"2024-03-13T07:25:37","date_gmt":"2024-03-13T07:25:37","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/"},"modified":"2025-07-30T20:50:22","modified_gmt":"2025-07-30T20:50:22","slug":"what-is-the-usage-of-await-in-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/","title":{"rendered":"Java Await Explained: Async Operations"},"content":{"rendered":"<p>In Java, await is commonly used to wait for the completion of an asynchronous operation. It is typically used with Future or CompletableFuture to block the current thread until the asynchronous operation is completed and returns a result.<\/p>\n<p>For example, when using CompletableFuture, you can utilize the await method to wait for asynchronous operations to be completed.<\/p>\n<pre class=\"post-pre\"><code>CompletableFuture&lt;String&gt; future = CompletableFuture.supplyAsync(() -&gt; {\r\n    <span class=\"hljs-comment\">\/\/ \u5f02\u6b65\u64cd\u4f5c<\/span>\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"Hello\"<\/span>;\r\n});\r\n\r\n<span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">result<\/span> <span class=\"hljs-operator\">=<\/span> future.get(); <span class=\"hljs-comment\">\/\/ \u963b\u585e\u5f53\u524d\u7ebf\u7a0b\u76f4\u5230\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210<\/span>\r\nSystem.out.println(result);\r\n<\/code><\/pre>\n<p>In this example, using the future.get() method will block the current thread until the asynchronous operation is completed and returns a result. This ensures that the current thread will not proceed with any other logic until the asynchronous operation result is obtained.<\/p>\n<p>It should be noted that the await method is typically used to wait for the results of asynchronous operations and will block the current thread. Therefore, when using it, one should consider the potential issue of thread blocking and avoid causing performance problems in the program.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, await is commonly used to wait for the completion of an asynchronous operation. It is typically used with Future or CompletableFuture to block the current thread until the asynchronous operation is completed and returns a result. For example, when using CompletableFuture, you can utilize the await method to wait for asynchronous operations to [&hellip;]<\/p>\n","protected":false},"author":9,"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":[2546,2545,2547,87,2548],"class_list":["post-3764","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-asynchronous","tag-await","tag-completablefuture","tag-java","tag-thread-blocking"],"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 Await Explained: Async Operations - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn Java await usage for async operations with CompletableFuture examples. Master thread blocking techniques.\" \/>\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-is-the-usage-of-await-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java Await Explained: Async Operations\" \/>\n<meta property=\"og:description\" content=\"Learn Java await usage for async operations with CompletableFuture examples. Master thread blocking techniques.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-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=\"2024-03-13T07:25:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-30T20:50:22+00:00\" \/>\n<meta name=\"author\" content=\"Ava Mitchell\" \/>\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=\"Ava Mitchell\" \/>\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-is-the-usage-of-await-in-java\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/\"},\"author\":{\"name\":\"Ava Mitchell\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64\"},\"headline\":\"Java Await Explained: Async Operations\",\"datePublished\":\"2024-03-13T07:25:37+00:00\",\"dateModified\":\"2025-07-30T20:50:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/\"},\"wordCount\":151,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"asynchronous\",\"await\",\"CompletableFuture\",\"Java\",\"thread blocking\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/\",\"name\":\"Java Await Explained: Async Operations - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-13T07:25:37+00:00\",\"dateModified\":\"2025-07-30T20:50:22+00:00\",\"description\":\"Learn Java await usage for async operations with CompletableFuture examples. Master thread blocking techniques.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java Await Explained: Async Operations\"}]},{\"@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\/a3e2658c2cb9fb2be95ae0a8861f4a64\",\"name\":\"Ava Mitchell\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g\",\"caption\":\"Ava Mitchell\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/avamitchell\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java Await Explained: Async Operations - Blog - Silicon Cloud","description":"Learn Java await usage for async operations with CompletableFuture examples. Master thread blocking techniques.","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-is-the-usage-of-await-in-java\/","og_locale":"en_US","og_type":"article","og_title":"Java Await Explained: Async Operations","og_description":"Learn Java await usage for async operations with CompletableFuture examples. Master thread blocking techniques.","og_url":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-13T07:25:37+00:00","article_modified_time":"2025-07-30T20:50:22+00:00","author":"Ava Mitchell","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Ava Mitchell","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/"},"author":{"name":"Ava Mitchell","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64"},"headline":"Java Await Explained: Async Operations","datePublished":"2024-03-13T07:25:37+00:00","dateModified":"2025-07-30T20:50:22+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/"},"wordCount":151,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["asynchronous","await","CompletableFuture","Java","thread blocking"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/","url":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/","name":"Java Await Explained: Async Operations - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-13T07:25:37+00:00","dateModified":"2025-07-30T20:50:22+00:00","description":"Learn Java await usage for async operations with CompletableFuture examples. Master thread blocking techniques.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-await-in-java\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Java Await Explained: Async Operations"}]},{"@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\/a3e2658c2cb9fb2be95ae0a8861f4a64","name":"Ava Mitchell","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g","caption":"Ava Mitchell"},"url":"https:\/\/www.silicloud.com\/blog\/author\/avamitchell\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/3764","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\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=3764"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/3764\/revisions"}],"predecessor-version":[{"id":148430,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/3764\/revisions\/148430"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=3764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=3764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=3764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}