{"id":38365,"date":"2024-11-26T13:56:03","date_gmt":"2024-11-26T05:56:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38365\/"},"modified":"2024-11-26T13:56:03","modified_gmt":"2024-11-26T05:56:03","slug":"java%e4%b8%ad%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%9b%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38365\/","title":{"rendered":"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521b\u5efa"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\uff1aint[][] myarray;\u5206\u914d\u7a7a\u95f4\uff1amyarray = new intnumrows;\u521d\u59cb\u5316\u5143\u7d20\uff1a\u5d4c\u5957 for \u5faa\u73af\uff0c\u5206\u522b\u904d\u5386\u884c\u548c\u5217\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111413422553424.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521b\u5efa\u63d2\u56fe\" alt=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521b\u5efa\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u521b\u5efa\uff1a<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u5728\u4e00\u7ef4\u6570\u7ec4\u7684\u57fa\u7840\u4e0a\u5ef6\u4f38\u800c\u6765\u7684\uff0c\u5b83\u5305\u542b\u4e00\u7ec4\u4e00\u7ef4\u6570\u7ec4\uff0c\u4e14\u6bcf\u4e2a\u4e00\u7ef4\u6570\u7ec4\u90fd\u5177\u6709\u76f8\u540c\u957f\u5ea6\u3002\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u58f0\u660e\u6570\u7ec4\uff1a<\/strong><\/p>\n<pre>int[][] myArray;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u5206\u914d\u7a7a\u95f4\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>myArray = new int[numRows][numCols];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<\/li>\n<li>numRows \u8868\u793a\u884c\u6570\u3002<\/li>\n<li>numCols \u8868\u793a\u5217\u6570\u3002<\/li>\n<li>\n<p><strong>\u521d\u59cb\u5316\u5143\u7d20\uff1a<\/strong><\/p>\n<pre>for (int i = 0; i &lt; numRows; i++) {\n for (int j = 0; j &lt; numCols; j++) {\n     myArray[i][j] = value;\n }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<\/li>\n<li>\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\u3002<\/li>\n<li>\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u3002<\/li>\n<li>value \u662f\u8981\u521d\u59cb\u5316\u7684\u5143\u7d20\u503c\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><br \/>\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6574\u6570\u4e8c\u7ef4\u6570\u7ec4\u5e76\u521d\u59cb\u5316\u5143\u7d20\u4e3a 0\uff1a<\/p>\n<pre>int[][] myArray = new int[3][4];\n\nfor (int i = 0; i &lt; 3; i++) {\n    for (int j = 0; j &lt; 4; j++) {\n        myArray[i][j] = 0;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u53ef\u4ee5\u5177\u6709\u4e0d\u540c\u7684\u957f\u5ea6\uff0c\u4f46\u901a\u5e38\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a\u3002<\/li>\n<li>\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u65f6\u5fc5\u987b\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\uff0c\u5e76\u4e14\u8fd9\u4e24\u4e2a\u503c\u5fc5\u987b\u4e3a\u6b63\u6574\u6570\u3002<\/li>\n<li>\u4e8c\u7ef4\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u4f7f\u7528 myArray.length \u8bbf\u95ee\uff08\u8fd4\u56de\u884c\u6570\uff09\u548c myArray[0].length \u8bbf\u95ee\uff08\u8fd4\u56de\u5217\u6570\uff09\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u521b\u5efa\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>java \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\uff1aint[][] myarray;\u5206\u914d\u7a7a\u95f4\uff1amyarray = new intnumrows;\u521d\u59cb\u5316\u5143\u7d20\uff1a\u5d4c\u5957 for \u5faa\u73af\uff0c\u5206\u522b\u904d\u5386\u884c\u548c\u5217\u3002 Java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u521b\u5efa\uff1a \u4e8c\u7ef4\u6570\u7ec4\u662f\u5728\u4e00\u7ef4\u6570\u7ec4\u7684\u57fa\u7840\u4e0a\u5ef6\u4f38\u800c\u6765\u7684\uff0c\u5b83\u5305\u542b\u4e00\u7ec4\u4e00\u7ef4\u6570\u7ec4\uff0c\u4e14\u6bcf\u4e2a\u4e00\u7ef4\u6570\u7ec4\u90fd\u5177\u6709\u76f8\u540c\u957f\u5ea6\u3002\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a \u58f0\u660e\u6570\u7ec4\uff1a int[][] myArray; \u767b\u5f55\u540e\u590d\u5236 \u5206\u914d\u7a7a\u95f4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myArray = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a numRows \u8868\u793a\u884c\u6570\u3002 numCols \u8868\u793a\u5217\u6570\u3002 \u521d\u59cb\u5316\u5143\u7d20\uff1a for (int i = 0; i &lt; numRows; i++) { for (int j = 0; j &lt; numCols; j++) { myArray[i][j] = value; } } \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\u3002 [&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-38365","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38365","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=38365"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38365\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}