{"id":34782,"date":"2024-11-26T17:24:05","date_gmt":"2024-11-26T09:24:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34782\/"},"modified":"2024-11-26T17:24:05","modified_gmt":"2024-11-26T09:24:05","slug":"java%e6%80%8e%e4%b9%88%e9%80%9a%e8%bf%87%e9%94%ae%e7%9b%98%e7%bb%99%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34782\/","title":{"rendered":"java\u600e\u4e48\u901a\u8fc7\u952e\u76d8\u7ed9\u6570\u7ec4\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u952e\u76d8\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u7684\u6b65\u9aa4\uff1a\u521b\u5efa scanner \u5bf9\u8c61\u8bfb\u53d6\u952e\u76d8\u8f93\u5165\u3002\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u3002\u4f7f\u7528 scanner.nextint() \u65b9\u6cd5\u8bfb\u53d6\u8f93\u5165\u7684\u6570\u7ec4\u957f\u5ea6\u5e76\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110302424083900.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u901a\u8fc7\u952e\u76d8\u7ed9\u6570\u7ec4\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u901a\u8fc7\u952e\u76d8\u7ed9\u6570\u7ec4\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u521b\u5efa Scanner \u5bf9\u8c61<\/strong><\/p>\n<p>Scanner \u5bf9\u8c61\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u521b\u5efa Scanner \u5bf9\u8c61\uff1a<\/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 <\/li>\n<li>\n<p><strong>\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>\u4f7f\u7528 System.out.println() \u65b9\u6cd5\u5728\u63a7\u5236\u53f0\u4e2d\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\uff1a\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u8bfb\u53d6\u7528\u6237\u8f93\u5165<\/strong><\/p>\n<p>\u4f7f\u7528 scanner.nextInt() \u65b9\u6cd5\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u7ec4\u957f\u5ea6\u3002\u5c06\u7ed3\u679c\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int length = scanner.nextInt();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u5730\u4ece\u952e\u76d8\u8f93\u5165\u4e2d\u83b7\u53d6\u4e86\u6570\u7ec4\u957f\u5ea6\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1a<\/p>\n<pre>import java.util.Scanner;\n\npublic class ArrayLengthFromKeyboard {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\uff1a\");\n        int length = scanner.nextInt();\n\n        int[] array = new int[length];\n\n        \/\/ ... \u586b\u5145\u6570\u7ec4\u7684\u4ee3\u7801\n        \/\/ ...\n\n        scanner.close();\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u901a\u8fc7\u952e\u76d8\u7ed9\u6570\u7ec4\u957f\u5ea6\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>\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u7684\u6b65\u9aa4\uff1a\u521b\u5efa scanner \u5bf9\u8c61\u8bfb\u53d6\u952e\u76d8\u8f93\u5165\u3002\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u3002\u4f7f\u7528 scanner.nextint() \u65b9\u6cd5\u8bfb\u53d6\u8f93\u5165\u7684\u6570\u7ec4\u957f\u5ea6\u5e76\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002 \u901a\u8fc7\u952e\u76d8\u8f93\u5165\u6570\u7ec4\u957f\u5ea6 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a \u521b\u5efa Scanner \u5bf9\u8c61 Scanner \u5bf9\u8c61\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u521b\u5efa Scanner \u5bf9\u8c61\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Scanner scanner = new Scanner(System.in); \u767b\u5f55\u540e\u590d\u5236 \u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u957f\u5ea6 \u4f7f\u7528 System.out.println() \u65b9\u6cd5\u5728\u63a7\u5236\u53f0\u4e2d\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u3002\u4f8b\u5982\uff1a System.out.println(&#8220;\u8bf7\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\uff1a&#8221;); \u767b\u5f55\u540e\u590d\u5236 \u8bfb\u53d6\u7528\u6237\u8f93\u5165 \u4f7f\u7528 scanner.nextInt() \u65b9\u6cd5\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u7ec4\u957f\u5ea6\u3002\u5c06\u7ed3\u679c\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002\u4f8b\u5982\uff1a int length = scanner.nextInt(); \u767b\u5f55\u540e\u590d\u5236 \u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u5730\u4ece\u952e\u76d8\u8f93\u5165\u4e2d\u83b7\u53d6\u4e86\u6570\u7ec4\u957f\u5ea6\u3002 \u4ee3\u7801\u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1a import java.util.Scanner; public class ArrayLengthFromKeyboard { public static void main(String[] args) { Scanner scanner [&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-34782","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34782","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=34782"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34782\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}