{"id":64193,"date":"2025-05-03T10:38:55","date_gmt":"2025-05-03T02:38:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64193\/"},"modified":"2025-05-03T10:38:55","modified_gmt":"2025-05-03T02:38:55","slug":"java%e4%b8%ad%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64193\/","title":{"rendered":"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8868\u793a"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u5728 java \u4e2d\u8868\u793a\u4e3a int[][]\uff0c\u4f7f\u7528 int \u8868\u793a\u5143\u7d20\u7c7b\u578b\uff0c[][] \u8868\u793a\u4e8c\u7ef4\u7ed3\u6784\u3002\u5c3a\u5bf8\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u6307\u5b9a\uff0c\u8bbf\u95ee\u5143\u7d20\u4f7f\u7528\u4e24\u4e2a\u7d22\u5f15\uff0c\u521d\u59cb\u5316\u5143\u7d20\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u3002\u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5728 java \u4e2d\u8868\u793a\u5e76\u521d\u59cb\u5316\u4e00\u4e2a 3&#215;4 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5143\u7d20\u503c\u4e3a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u7684\u4e58\u79ef\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110217463694846.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8868\u793a\u63d2\u56fe\" alt=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8868\u793a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>Java\u4e2d\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><strong>1. \u6570\u7ec4\u5143\u7d20\u7c7b\u578b<\/strong><\/p>\n<p>\u4f7f\u7528\u4e00\u5bf9\u65b9\u62ec\u53f7\u6765\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20\u7c7b\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] array;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cint \u8868\u793a\u5143\u7d20\u7c7b\u578b\uff0c[][] \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n<p><strong>2. \u5c3a\u5bf8<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u6765\u6307\u5b9a\u4e8c\u7ef4\u6570\u7ec4\u7684\u5c3a\u5bf8\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>array = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0c3 \u8868\u793a\u884c\u6570\uff0c4 \u8868\u793a\u5217\u6570\u3002<\/p>\n<p><strong>3. \u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e24\u4e2a\u7d22\u5f15\u6765\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>int element = array[row][column];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0crow \u8868\u793a\u884c\u7d22\u5f15\uff0ccolumn \u8868\u793a\u5217\u7d22\u5f15\u3002<\/p>\n<p><strong>4. \u521d\u59cb\u5316\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6765\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>for (int i = 0; i &lt; array.length; i++) {\n    for (int j = 0; j &lt; array[i].length; j++) {\n        array[i][j] = 0;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u5728 Java \u4e2d\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\u5e76\u521d\u59cb\u5316\u5143\u7d20\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>public class Main {\n\n    public static void main(String[] args) {\n        int[][] array = new int[3][4];\n\n        for (int i = 0; i &lt; array.length; i++) {\n            for (int j = 0; j &lt; array[i].length; j++) {\n                array[i][j] = i * j;\n            }\n        }\n\n        \/\/ \u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\n        for (int[] row : array) {\n            for (int element : row) {\n                System.out.print(element + \" \");\n            }\n            System.out.println();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u4e00\u4e2a 3&#215;4 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u5143\u7d20\u503c\u662f\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u7684\u4e58\u79ef\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8868\u793a\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>\u4e8c\u7ef4\u6570\u7ec4\u5728 java \u4e2d\u8868\u793a\u4e3a int[][]\uff0c\u4f7f\u7528 int \u8868\u793a\u5143\u7d20\u7c7b\u578b\uff0c[][] \u8868\u793a\u4e8c\u7ef4\u7ed3\u6784\u3002\u5c3a\u5bf8\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u6307\u5b9a\uff0c\u8bbf\u95ee\u5143\u7d20\u4f7f\u7528\u4e24\u4e2a\u7d22\u5f15\uff0c\u521d\u59cb\u5316\u5143\u7d20\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u3002\u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5728 java \u4e2d\u8868\u793a\u5e76\u521d\u59cb\u5316\u4e00\u4e2a 3&#215;4 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5143\u7d20\u503c\u4e3a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u7684\u4e58\u79ef\u3002 Java\u4e2d\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4 Java\u4e2d\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a 1. \u6570\u7ec4\u5143\u7d20\u7c7b\u578b \u4f7f\u7528\u4e00\u5bf9\u65b9\u62ec\u53f7\u6765\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20\u7c7b\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] array; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cint \u8868\u793a\u5143\u7d20\u7c7b\u578b\uff0c[][] \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002 2. \u5c3a\u5bf8 \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u6765\u6307\u5b9a\u4e8c\u7ef4\u6570\u7ec4\u7684\u5c3a\u5bf8\uff0c\u5982\u4e0b\u6240\u793a\uff1a array = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c3 \u8868\u793a\u884c\u6570\uff0c4 \u8868\u793a\u5217\u6570\u3002 3. \u8bbf\u95ee\u5143\u7d20 \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e24\u4e2a\u7d22\u5f15\u6765\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u4e0b\u6240\u793a\uff1a int element = array[row][column]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0crow \u8868\u793a\u884c\u7d22\u5f15\uff0ccolumn \u8868\u793a\u5217\u7d22\u5f15\u3002 4. \u521d\u59cb\u5316\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6765\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u4e0b\u6240\u793a\uff1a for (int i [&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-64193","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64193","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=64193"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64193\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}