{"id":66341,"date":"2025-05-03T10:56:58","date_gmt":"2025-05-03T02:56:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66341\/"},"modified":"2025-05-03T10:56:58","modified_gmt":"2025-05-03T02:56:58","slug":"java%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba%e9%9a%8f%e6%9c%ba%e6%95%b0%e7%bb%84%e5%b9%b6%e5%af%b9%e9%bd%90-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66341\/","title":{"rendered":"java\u600e\u4e48\u8f93\u51fa\u968f\u673a\u6570\u7ec4\u5e76\u5bf9\u9f50"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u8f93\u51fa\u5bf9\u9f50\u7684\u968f\u673a\u6570\u7ec4\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u521b\u5efa\u968f\u673a\u6570\u7ec4\u5e76\u67e5\u627e\u6700\u957f\u6570\u5b57\u957f\u5ea6\u3002\u4f7f\u7528 system.out.printf \u6765\u8f93\u51fa\u5bf9\u9f50\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u683c\u5f0f\u8bf4\u660e\u7b26 %&#8221; + maxlength + &#8220;d &#8221; \u786e\u4fdd\u6570\u5b57\u4ee5\u76f8\u540c\u5bbd\u5ea6\u5bf9\u9f50\u8f93\u51fa\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111507370029756.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u8f93\u51fa\u968f\u673a\u6570\u7ec4\u5e76\u5bf9\u9f50\u63d2\u56fe\" alt=\"java\u600e\u4e48\u8f93\u51fa\u968f\u673a\u6570\u7ec4\u5e76\u5bf9\u9f50\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u8f93\u51fa\u5bf9\u9f50\u7684\u968f\u673a\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u8f93\u51fa\u5bf9\u9f50\u7684\u968f\u673a\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u968f\u673a\u6570\u7ec4<\/strong><\/p>\n<pre>int[] array = new int[10];\nRandom random = new Random();\nfor (int i = 0; i &lt; array.length; i++) {\n    array[i] = random.nextInt(100);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u67e5\u627e\u6700\u957f\u7684\u6570\u5b57\u957f\u5ea6<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int maxLength = 0;\nfor (int num : array) {\n    maxLength = Math.max(maxLength, String.valueOf(num).length());\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 System.out.printf \u8f93\u51fa\u5bf9\u9f50\u7684\u6570\u7ec4<\/strong><\/p>\n<pre>System.out.printf(\"%\" + maxLength + \"d \", array[0]);\nfor (int i = 1; i &lt; array.length; i++) {\n    System.out.printf(\"%\" + maxLength + \"d \", array[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u683c\u5f0f\u8bf4\u660e\u7b26 %&#8221; + maxLength + &#8220;d &#8221; \u8868\u793a\uff1a<\/p>\n<ul>\n<li>%\uff1a\u8868\u793a\u3002<\/li>\n<li>maxLength\uff1a\u6307\u5b9a\u8f93\u51fa\u5b57\u6bb5\u7684\u5bbd\u5ea6\u3002<\/li>\n<li>d\uff1a\u6307\u5b9a\u8f93\u51fa\u683c\u5f0f\u4e3a\u6574\u6570\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u6307\u5b9a % \u540e\u9762 maxLength \u7684\u503c\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u5b57\u4ee5\u76f8\u540c\u5bbd\u5ea6\u5bf9\u9f50\u8f93\u51fa\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8f93\u51fa\u968f\u673a\u6570\u7ec4\u5e76\u5bf9\u9f50\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u8f93\u51fa\u5bf9\u9f50\u7684\u968f\u673a\u6570\u7ec4\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u521b\u5efa\u968f\u673a\u6570\u7ec4\u5e76\u67e5\u627e\u6700\u957f\u6570\u5b57\u957f\u5ea6\u3002\u4f7f\u7528 system.out.printf \u6765\u8f93\u51fa\u5bf9\u9f50\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u683c\u5f0f\u8bf4\u660e\u7b26 %&#8221; + maxlength + &#8220;d &#8221; \u786e\u4fdd\u6570\u5b57\u4ee5\u76f8\u540c\u5bbd\u5ea6\u5bf9\u9f50\u8f93\u51fa\u3002 \u5982\u4f55\u5728 Java \u4e2d\u8f93\u51fa\u5bf9\u9f50\u7684\u968f\u673a\u6570\u7ec4 \u5728 Java \u4e2d\u8f93\u51fa\u5bf9\u9f50\u7684\u968f\u673a\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u521b\u5efa\u968f\u673a\u6570\u7ec4 int[] array = new int[10]; Random random = new Random(); for (int i = 0; i &lt; array.length; i++) { array[i] = random.nextInt(100); } \u767b\u5f55\u540e\u590d\u5236 2. \u67e5\u627e\u6700\u957f\u7684\u6570\u5b57\u957f\u5ea6 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int maxLength = 0; for (int num [&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-66341","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66341","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=66341"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66341\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}