{"id":26955,"date":"2024-03-16T07:38:21","date_gmt":"2024-03-16T07:38:21","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/"},"modified":"2024-03-22T09:50:58","modified_gmt":"2024-03-22T09:50:58","slug":"how-to-use-scanner-in-java-to-retrieve-a-string","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/","title":{"rendered":"How to use Scanner in Java to retrieve a string"},"content":{"rendered":"<p>In Java, you can use the Scanner class to get user input for strings. Here is a simple example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.util.Scanner;\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        <span class=\"hljs-comment\">\/\/ \u521b\u5efaScanner\u5bf9\u8c61<\/span>\r\n        <span class=\"hljs-type\">Scanner<\/span> <span class=\"hljs-variable\">scanner<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Scanner<\/span>(System.in);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u63d0\u793a\u7528\u6237\u8f93\u5165\u5b57\u7b26\u4e32<\/span>\r\n        System.out.print(<span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a\"<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u4f7f\u7528nextLine()\u65b9\u6cd5\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32<\/span>\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">input<\/span> <span class=\"hljs-operator\">=<\/span> scanner.nextLine();\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u6253\u5370\u8f93\u5165\u7684\u5b57\u7b26\u4e32<\/span>\r\n        System.out.println(<span class=\"hljs-string\">\"\u4f60\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\uff1a\"<\/span> + input);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u5173\u95edScanner\u5bf9\u8c61<\/span>\r\n        scanner.close();\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the previous example, we first create a Scanner object that reads user input from the standard input stream (System.in). We then use the nextLine() method to get the user&#8217;s input as a string and store it in a variable named &#8220;input&#8221;. Finally, we print out the user&#8217;s input string.<\/p>\n<p>Please note that it is best to call the close() method after using the Scanner class to release resources.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, you can use the Scanner class to get user input for strings. Here is a simple example: import java.util.Scanner; public class Main { public static void main(String[] args) { \/\/ \u521b\u5efaScanner\u5bf9\u8c61 Scanner scanner = new Scanner(System.in); \/\/ \u63d0\u793a\u7528\u6237\u8f93\u5165\u5b57\u7b26\u4e32 System.out.print(&#8220;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&#8221;); \/\/ \u4f7f\u7528nextLine()\u65b9\u6cd5\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32 String input = scanner.nextLine(); \/\/ \u6253\u5370\u8f93\u5165\u7684\u5b57\u7b26\u4e32 System.out.println(&#8220;\u4f60\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\uff1a&#8221; + input); \/\/ \u5173\u95edScanner\u5bf9\u8c61 scanner.close(); [&hellip;]<\/p>\n","protected":false},"author":6,"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-26955","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 use Scanner in Java to retrieve a string - 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-use-scanner-in-java-to-retrieve-a-string\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to use Scanner in Java to retrieve a string\" \/>\n<meta property=\"og:description\" content=\"In Java, you can use the Scanner class to get user input for strings. Here is a simple example: import java.util.Scanner; public class Main { public static void main(String[] args) { \/\/ \u521b\u5efaScanner\u5bf9\u8c61 Scanner scanner = new Scanner(System.in); \/\/ \u63d0\u793a\u7528\u6237\u8f93\u5165\u5b57\u7b26\u4e32 System.out.print(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&quot;); \/\/ \u4f7f\u7528nextLine()\u65b9\u6cd5\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32 String input = scanner.nextLine(); \/\/ \u6253\u5370\u8f93\u5165\u7684\u5b57\u7b26\u4e32 System.out.println(&quot;\u4f60\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\uff1a&quot; + input); \/\/ \u5173\u95edScanner\u5bf9\u8c61 scanner.close(); [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/\" \/>\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=\"2024-03-16T07:38:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T09:50:58+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Taylor\" \/>\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=\"Benjamin Taylor\" \/>\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-use-scanner-in-java-to-retrieve-a-string\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/\"},\"author\":{\"name\":\"Benjamin Taylor\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\"},\"headline\":\"How to use Scanner in Java to retrieve a string\",\"datePublished\":\"2024-03-16T07:38:21+00:00\",\"dateModified\":\"2024-03-22T09:50:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/\"},\"wordCount\":101,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/\",\"name\":\"How to use Scanner in Java to retrieve a string - 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Here is a simple example: import java.util.Scanner; public class Main { public static void main(String[] args) { \/\/ \u521b\u5efaScanner\u5bf9\u8c61 Scanner scanner = new Scanner(System.in); \/\/ \u63d0\u793a\u7528\u6237\u8f93\u5165\u5b57\u7b26\u4e32 System.out.print(\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a\"); \/\/ \u4f7f\u7528nextLine()\u65b9\u6cd5\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32 String input = scanner.nextLine(); \/\/ \u6253\u5370\u8f93\u5165\u7684\u5b57\u7b26\u4e32 System.out.println(\"\u4f60\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\uff1a\" + input); \/\/ \u5173\u95edScanner\u5bf9\u8c61 scanner.close(); [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T07:38:21+00:00","article_modified_time":"2024-03-22T09:50:58+00:00","author":"Benjamin Taylor","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Benjamin Taylor","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/"},"author":{"name":"Benjamin Taylor","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9"},"headline":"How to use Scanner in Java to retrieve a string","datePublished":"2024-03-16T07:38:21+00:00","dateModified":"2024-03-22T09:50:58+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/"},"wordCount":101,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-use-scanner-in-java-to-retrieve-a-string\/","name":"How to use Scanner in Java to retrieve a string - 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