{"id":40269,"date":"2024-11-26T09:42:33","date_gmt":"2024-11-26T01:42:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40269\/"},"modified":"2024-11-26T09:42:33","modified_gmt":"2024-11-26T01:42:33","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e9%94%ae%e7%9b%98%e8%be%93%e5%85%a5%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40269\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u952e\u76d8\u8f93\u5165\u4e00\u4e2a\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u5728 java \u4e2d\u4ece\u952e\u76d8\u8f93\u5165\u6570\u7ec4\uff1f1. \u5bfc\u5165 scanner \u7c7b\uff1b2. \u521b\u5efa scanner \u5bf9\u8c61\uff1b3. \u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1b4. \u521b\u5efa\u6570\u7ec4\uff1b5. \u8bfb\u5165\u6570\u7ec4\u5143\u7d20\uff1b6. \u5173\u95ed scanner \u5bf9\u8c61\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111815241859606.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u952e\u76d8\u8f93\u5165\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u952e\u76d8\u8f93\u5165\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u952e\u76d8\u8f93\u5165\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Scanner \u7c7b\u4ece\u952e\u76d8\u8f93\u5165\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u5bfc\u5165 Scanner \u7c7b<\/strong><\/p>\n<pre>import java.util.Scanner;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u521b\u5efa Scanner \u5bf9\u8c61<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>Scanner scanner = new Scanner(System.in);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8f93\u5165\u6570\u7ec4\u5927\u5c0f<\/strong><\/p>\n<pre>System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a\");\nint size = scanner.nextInt();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n<pre>int[] arr = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u8bfb\u5165\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u8bfb\u53d6\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff1a<\/p>\n<pre>for (int i = 0; i &lt; size; i++) {\n    System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u7b2c \" + (i + 1) + \" \u4e2a\u5143\u7d20\uff1a\");\n    arr[i] = scanner.nextInt();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>6. \u5173\u95ed Scanner \u5bf9\u8c61<\/strong><\/p>\n<p>\u5b8c\u6210\u8bfb\u53d6\u6570\u636e\u540e\uff0c\u5e94\u5173\u95ed Scanner \u5bf9\u8c61\u4ee5\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\uff1a<\/p>\n<pre>scanner.close();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>import java.util.Scanner;\n\npublic class InputArrayFromKeyboard {\n\n    public static void main(String[] args) {\n\n        Scanner scanner = new Scanner(System.in);\n\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a\");\n        int size = scanner.nextInt();\n\n        int[] arr = new int[size];\n\n        for (int i = 0; i &lt; size; i++) {\n            System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u7b2c \" + (i + 1) + \" \u4e2a\u5143\u7d20\uff1a\");\n            arr[i] = scanner.nextInt();\n        }\n\n        scanner.close();\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u952e\u76d8\u8f93\u5165\u4e00\u4e2a\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 java \u4e2d\u4ece\u952e\u76d8\u8f93\u5165\u6570\u7ec4\uff1f1. \u5bfc\u5165 scanner \u7c7b\uff1b2. \u521b\u5efa scanner \u5bf9\u8c61\uff1b3. \u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1b4. \u521b\u5efa\u6570\u7ec4\uff1b5. \u8bfb\u5165\u6570\u7ec4\u5143\u7d20\uff1b6. \u5173\u95ed scanner \u5bf9\u8c61\u3002 \u5982\u4f55\u5728 Java \u4e2d\u952e\u76d8\u8f93\u5165\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Scanner \u7c7b\u4ece\u952e\u76d8\u8f93\u5165\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u6b65\u9aa4\uff1a 1. \u5bfc\u5165 Scanner \u7c7b import java.util.Scanner; \u767b\u5f55\u540e\u590d\u5236 2. \u521b\u5efa Scanner \u5bf9\u8c61 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Scanner scanner = new Scanner(System.in); \u767b\u5f55\u540e\u590d\u5236 3. \u8f93\u5165\u6570\u7ec4\u5927\u5c0f System.out.println(&#8220;\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a&#8221;); int size = scanner.nextInt(); \u767b\u5f55\u540e\u590d\u5236 4. \u521b\u5efa\u6570\u7ec4 int[] arr = new [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-40269","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=40269"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40269\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}