{"id":38339,"date":"2024-11-26T13:53:28","date_gmt":"2024-11-26T05:53:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38339\/"},"modified":"2024-11-26T13:53:28","modified_gmt":"2024-11-26T05:53:28","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ad%98%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38339\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b58\u6570\u636e"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5c06\u6570\u636e\u5b58\u50a8\u5230 java \u4e8c\u7ef4\u6570\u7ec4\u4e2d\uff1a\u5148\u58f0\u660e\u6570\u7ec4\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002\u7136\u540e\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u6700\u540e\u5728\u5d4c\u5957\u5faa\u73af\u5185\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u5f15\u7528\u6765\u8d4b\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111413184191217.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b58\u6570\u636e\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b58\u6570\u636e\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u6570\u636e\u7684\u6b65\u9aa4<\/strong><\/p>\n<p>\u8981\u5c06\u6570\u636e\u5b58\u50a8\u5230Java\u4e8c\u7ef4\u6570\u7ec4\u4e2d\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u58f0\u660e\u6570\u7ec4<\/strong><\/li>\n<\/ol>\n<pre>int[][] arr = new int[numRows][numCols];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2dnumRows\u548cnumCols\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/p>\n<ol>\n<li><strong>\u904d\u5386\u6570\u7ec4<\/strong><\/li>\n<\/ol>\n<p>\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>for (int i = 0; i &lt; arr.length; i++) {\n    for (int j = 0; j &lt; arr[i].length; j++) {\n        \/\/ \u5728\u8fd9\u91cc\u4e3a arr[i][j] \u8d4b\u503c\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li><strong>\u4e3a\u5143\u7d20\u8d4b\u503c<\/strong><\/li>\n<\/ol>\n<p>\u5728\u5d4c\u5957\u5faa\u73af\u5185\uff0c\u53ef\u4ee5\u4f7f\u7528arr[i][j]\u5143\u7d20\u5f15\u7528\u6765\u8d4b\u503c\uff1a<\/p>\n<pre>arr[i][j] = value;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a3\u884c2\u5217\u7684\u6570\u7ec4\u5e76\u586b\u5145\u4e00\u4e9b\u503c\uff1a<\/p>\n<pre>int[][] arr = new int[3][2];\n\narr[0][0] = 1;\narr[0][1] = 2;\narr[1][0] = 3;\narr[1][1] = 4;\narr[2][0] = 5;\narr[2][1] = 6;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b58\u6570\u636e\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>\u8981\u5c06\u6570\u636e\u5b58\u50a8\u5230 java \u4e8c\u7ef4\u6570\u7ec4\u4e2d\uff1a\u5148\u58f0\u660e\u6570\u7ec4\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002\u7136\u540e\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u6700\u540e\u5728\u5d4c\u5957\u5faa\u73af\u5185\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u5f15\u7528\u6765\u8d4b\u503c\u3002 Java\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u6570\u636e\u7684\u6b65\u9aa4 \u8981\u5c06\u6570\u636e\u5b58\u50a8\u5230Java\u4e8c\u7ef4\u6570\u7ec4\u4e2d\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u58f0\u660e\u6570\u7ec4 int[][] arr = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2dnumRows\u548cnumCols\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002 \u904d\u5386\u6570\u7ec4 \u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (int i = 0; i &lt; arr.length; i++) { for (int j = 0; j &lt; arr[i].length; j++) { \/\/ \u5728\u8fd9\u91cc\u4e3a arr[i][j] \u8d4b\u503c } } \u767b\u5f55\u540e\u590d\u5236 \u4e3a\u5143\u7d20\u8d4b\u503c \u5728\u5d4c\u5957\u5faa\u73af\u5185\uff0c\u53ef\u4ee5\u4f7f\u7528arr[i][j]\u5143\u7d20\u5f15\u7528\u6765\u8d4b\u503c\uff1a arr[i][j] = value; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a3\u884c2\u5217\u7684\u6570\u7ec4\u5e76\u586b\u5145\u4e00\u4e9b\u503c\uff1a 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-38339","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38339","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=38339"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38339\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}