{"id":28335,"date":"2024-03-16T10:09:47","date_gmt":"2024-03-16T10:09:47","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/"},"modified":"2024-03-22T13:12:21","modified_gmt":"2024-03-22T13:12:21","slug":"how-to-search-for-a-value-in-a-list-using-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/","title":{"rendered":"How to search for a value in a list using Java?"},"content":{"rendered":"<p>In Java, you can use the contains() method to determine if a List contains a specific value.<\/p>\n<p>Example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.util.ArrayList;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.List;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Main<\/span> {\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        List&lt;String&gt; list = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ArrayList<\/span>&lt;&gt;();\r\n        list.add(<span class=\"hljs-string\">\"apple\"<\/span>);\r\n        list.add(<span class=\"hljs-string\">\"banana\"<\/span>);\r\n        list.add(<span class=\"hljs-string\">\"orange\"<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u5224\u65adList\u4e2d\u662f\u5426\u5305\u542b\u67d0\u4e2a\u503c<\/span>\r\n        <span class=\"hljs-keyword\">if<\/span> (list.contains(<span class=\"hljs-string\">\"banana\"<\/span>)) {\r\n            System.out.println(<span class=\"hljs-string\">\"List\u4e2d\u5305\u542bbanana\"<\/span>);\r\n        } <span class=\"hljs-keyword\">else<\/span> {\r\n            System.out.println(<span class=\"hljs-string\">\"List\u4e2d\u4e0d\u5305\u542bbanana\"<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>Result of execution:<\/p>\n<pre class=\"post-pre\"><code>List\u4e2d\u5305\u542bbanana\r\n<\/code><\/pre>\n<p>In the example above, we created a List and added a few elements to it. We then used the contains() method to check if the List contains the value &#8220;banana&#8221; and printed the corresponding message based on the result.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, you can use the contains() method to determine if a List contains a specific value. Example code: import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] args) { List&lt;String&gt; list = new ArrayList&lt;&gt;(); list.add(&#8220;apple&#8221;); list.add(&#8220;banana&#8221;); list.add(&#8220;orange&#8221;); \/\/ \u5224\u65adList\u4e2d\u662f\u5426\u5305\u542b\u67d0\u4e2a\u503c if (list.contains(&#8220;banana&#8221;)) { System.out.println(&#8220;List\u4e2d\u5305\u542bbanana&#8221;); } else { System.out.println(&#8220;List\u4e2d\u4e0d\u5305\u542bbanana&#8221;); } } } Result [&hellip;]<\/p>\n","protected":false},"author":12,"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-28335","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>How to search for a value in a list using 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\/how-to-search-for-a-value-in-a-list-using-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to search for a value in a list using Java?\" \/>\n<meta property=\"og:description\" content=\"In Java, you can use the contains() method to determine if a List contains a specific value. Example code: import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] args) { List&lt;String&gt; list = new ArrayList&lt;&gt;(); list.add(&quot;apple&quot;); list.add(&quot;banana&quot;); list.add(&quot;orange&quot;); \/\/ \u5224\u65adList\u4e2d\u662f\u5426\u5305\u542b\u67d0\u4e2a\u503c if (list.contains(&quot;banana&quot;)) { System.out.println(&quot;List\u4e2d\u5305\u542bbanana&quot;); } else { System.out.println(&quot;List\u4e2d\u4e0d\u5305\u542bbanana&quot;); } } } Result [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-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=\"2024-03-16T10:09:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T13:12:21+00:00\" \/>\n<meta name=\"author\" content=\"Liam\" \/>\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=\"Liam\" \/>\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\/how-to-search-for-a-value-in-a-list-using-java\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/\"},\"author\":{\"name\":\"Liam\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/23786905eb7b377f45ddb01c17da7671\"},\"headline\":\"How to search for a value in a list using Java?\",\"datePublished\":\"2024-03-16T10:09:47+00:00\",\"dateModified\":\"2024-03-22T13:12:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/\"},\"wordCount\":72,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/\",\"name\":\"How to search for a value in a list using Java? 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- 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\/how-to-search-for-a-value-in-a-list-using-java\/","og_locale":"en_US","og_type":"article","og_title":"How to search for a value in a list using Java?","og_description":"In Java, you can use the contains() method to determine if a List contains a specific value. Example code: import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] args) { List&lt;String&gt; list = new ArrayList&lt;&gt;(); list.add(\"apple\"); list.add(\"banana\"); list.add(\"orange\"); \/\/ \u5224\u65adList\u4e2d\u662f\u5426\u5305\u542b\u67d0\u4e2a\u503c if (list.contains(\"banana\")) { System.out.println(\"List\u4e2d\u5305\u542bbanana\"); } else { System.out.println(\"List\u4e2d\u4e0d\u5305\u542bbanana\"); } } } Result [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T10:09:47+00:00","article_modified_time":"2024-03-22T13:12:21+00:00","author":"Liam","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Liam","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/"},"author":{"name":"Liam","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/23786905eb7b377f45ddb01c17da7671"},"headline":"How to search for a value in a list using Java?","datePublished":"2024-03-16T10:09:47+00:00","dateModified":"2024-03-22T13:12:21+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/"},"wordCount":72,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-search-for-a-value-in-a-list-using-java\/","name":"How to search for a value in a list using Java? 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