{"id":66822,"date":"2025-05-03T15:32:14","date_gmt":"2025-05-03T07:32:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66822\/"},"modified":"2025-05-03T15:32:14","modified_gmt":"2025-05-03T07:32:14","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%9d%e5%a7%8b%e5%8c%96-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66822\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316"},"content":{"rendered":"<blockquote><p>\n  java \u4e8c\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4f7f\u7528\u5b57\u9762\u91cf\u6216 new \u5173\u952e\u5b57\u3002\u4f7f\u7528\u5b57\u9762\u91cf\u53ef\u4ee5\u4e00\u6b21\u6027\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528 new \u5173\u952e\u5b57\u9700\u8981\u901a\u8fc7\u5faa\u73af\u9010\u4e2a\u521d\u59cb\u5316\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111711182049253.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong><\/p>\n<p><strong>\u5982\u4f55\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff1f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<p><strong>\u65b9\u5f0f\u4e00\uff1a\u4f7f\u7528\u5b57\u9762\u91cf<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] arr = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u5f0f\u4e8c\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57<\/strong><\/p>\n<pre>int[][] arr = new int[3][3];\n\n\/\/ \u4f7f\u7528\u5faa\u73af\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\nfor (int i = 0; i &lt; arr.length; i++) {\n    for (int j = 0; j &lt; arr[0].length; j++) {\n        arr[i][j] = i * 3 + j;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8be6\u7ec6\u793a\u4f8b<\/strong><\/p>\n<p>\u4f7f\u7528\u5b57\u9762\u91cf\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] arr = new int[][] {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4 arr \u5c06\u5982\u4e0b\u6240\u793a\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<pre>1  2  3\n4  5  6\n7  8  9<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] arr = new int[3][3];\n\n\/\/ \u4f7f\u7528\u5faa\u73af\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\nfor (int i = 0; i &lt; arr.length; i++) {\n    for (int j = 0; j &lt; arr[0].length; j++) {\n        arr[i][j] = i * 3 + j;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4 arr \u5c06\u5982\u4e0b\u6240\u793a\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<pre>0  1  2\n3  4  5\n6  7  8<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\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>java \u4e8c\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4f7f\u7528\u5b57\u9762\u91cf\u6216 new \u5173\u952e\u5b57\u3002\u4f7f\u7528\u5b57\u9762\u91cf\u53ef\u4ee5\u4e00\u6b21\u6027\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528 new \u5173\u952e\u5b57\u9700\u8981\u901a\u8fc7\u5faa\u73af\u9010\u4e2a\u521d\u59cb\u5316\u5143\u7d20\u3002 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316 \u5982\u4f55\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\uff1a \u65b9\u5f0f\u4e00\uff1a\u4f7f\u7528\u5b57\u9762\u91cf \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arr = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; \u767b\u5f55\u540e\u590d\u5236 \u65b9\u5f0f\u4e8c\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57 int[][] arr = new int[3][3]; \/\/ \u4f7f\u7528\u5faa\u73af\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20 for (int i = 0; i &lt; arr.length; i++) { for (int j = 0; j [&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-66822","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66822","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=66822"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66822\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}