{"id":66595,"date":"2025-05-03T17:42:26","date_gmt":"2025-05-03T09:42:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66595\/"},"modified":"2025-05-03T17:42:26","modified_gmt":"2025-05-03T09:42:26","slug":"java%e9%87%8c%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66595\/","title":{"rendered":"java\u91cc\u600e\u4e48\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u5305\u542b\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\uff1a\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3001\u884c\u6570\u548c\u5217\u6570\u3002\u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6216\u58f0\u660e\u65f6\u76f4\u63a5\u521d\u59cb\u5316\u5143\u7d20\u3002\u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111607121862009.jpg\" class=\"aligncenter\" title=\"java\u91cc\u600e\u4e48\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u91cc\u600e\u4e48\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u7684\u6b65\u9aa4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u5177\u6709\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\uff0c\u8fd9\u4e9b\u5143\u7d20\u88ab\u7ec4\u7ec7\u6210\u884c\u548c\u5217\u3002<\/p>\n<p><strong>1. \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u8981\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u548c\u884c\u548c\u5217\u6570\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u6570\u636e\u7c7b\u578b[][] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u884c\u6570][\u5217\u6570];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u58f0\u660e\u4e00\u4e2a int \u7c7b\u578b\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u6709 3 \u884c 4 \u5217\uff1a<\/p>\n<pre>int[][] myArray = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\u540e\uff0c\u60a8\u9700\u8981\u4f7f\u7528\u9002\u5f53\u7684\u503c\u521d\u59cb\u5316\u5176\u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6216\u5728\u58f0\u660e\u65f6\u76f4\u63a5\u521d\u59cb\u5316\u5143\u7d20\u3002<\/p>\n<p><strong>\u5d4c\u5957\u5faa\u73af\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<pre>for (int i = 0; i &lt; \u884c\u6570; i++) {\n    for (int j = 0; j &lt; \u5217\u6570; j++) {\n        myArray[i][j] = \u503c;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u58f0\u660e\u65f6\u76f4\u63a5\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<pre>int[][] myArray = { \n    {1, 2, 3, 4}, \n    {5, 6, 7, 8}, \n    {9, 10, 11, 12} \n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>\u6570\u7ec4\u540d[\u884c\u7d22\u5f15][\u5217\u7d22\u5f15]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u8bbf\u95ee myArray \u4e2d (1, 2) \u4f4d\u7f6e\u7684\u5143\u7d20\uff1a<\/p>\n<pre>int element = myArray[1][2];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u600e\u4e48\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\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\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u5305\u542b\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\uff1a\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3001\u884c\u6570\u548c\u5217\u6570\u3002\u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6216\u58f0\u660e\u65f6\u76f4\u63a5\u521d\u59cb\u5316\u5143\u7d20\u3002\u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002 Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u7684\u6b65\u9aa4 \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u5177\u6709\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\uff0c\u8fd9\u4e9b\u5143\u7d20\u88ab\u7ec4\u7ec7\u6210\u884c\u548c\u5217\u3002 1. \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4 \u8981\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u548c\u884c\u548c\u5217\u6570\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u7c7b\u578b[][] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u884c\u6570][\u5217\u6570]; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u58f0\u660e\u4e00\u4e2a int \u7c7b\u578b\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u6709 3 \u884c 4 \u5217\uff1a int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 2. \u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4 \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\u540e\uff0c\u60a8\u9700\u8981\u4f7f\u7528\u9002\u5f53\u7684\u503c\u521d\u59cb\u5316\u5176\u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6216\u5728\u58f0\u660e\u65f6\u76f4\u63a5\u521d\u59cb\u5316\u5143\u7d20\u3002 \u5d4c\u5957\u5faa\u73af\u521d\u59cb\u5316\uff1a for (int i = 0; i &lt; \u884c\u6570; i++) { for (int j = 0; j &lt; \u5217\u6570; 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-66595","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66595","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=66595"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66595\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}