{"id":66684,"date":"2025-05-03T17:04:11","date_gmt":"2025-05-03T09:04:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66684\/"},"modified":"2025-05-03T17:04:11","modified_gmt":"2025-05-03T09:04:11","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%be%aa%e7%8e%af%e6%8f%92%e5%85%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66684\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u63d2\u5165"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5faa\u73af\u63d2\u5165\u5143\u7d20\u5230\u4e8c\u7ef4\u6570\u7ec4\u9700\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u884c\u548c\u5217\uff1a\u83b7\u53d6\u6570\u7ec4\u7ef4\u5ea6\u3002\u521b\u5efa\u5d4c\u5957\u5faa\u73af\u904d\u5386\u884c\u548c\u5217\u3002\u5728\u9002\u5f53\u7684\u884c\u548c\u5217\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111613190948507.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u63d2\u5165\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u63d2\u5165\u63d2\u56fe\" \/><\/p>\n<h2>Java \u4e8c\u7ef4\u6570\u7ec4\u5982\u4f55\u5faa\u73af\u63d2\u5165<\/h2>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5b83\u5b58\u50a8\u6570\u636e\u5143\u7d20\u7684\u884c\u548c\u5217\u3002\u5faa\u73af\u63d2\u5165\u5143\u7d20\u5230\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u9700\u8981\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u884c\u548c\u5217\u3002<\/p>\n<h3>\u6b65\u9aa4\uff1a<\/h3>\n<ol>\n<li> <strong>\u83b7\u53d6\u6570\u7ec4\u7ef4\u5ea6\uff1a<\/strong>\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n<li> <strong>\u521b\u5efa\u5d4c\u5957\u5faa\u73af\uff1a<\/strong>\u4f7f\u7528\u4e24\u4e2a for \u5faa\u73af\u6765\u904d\u5386\u884c\u548c\u5217\u3002<\/li>\n<li> <strong>\u63d2\u5165\u5143\u7d20\uff1a<\/strong>\u5728\u9002\u5f53\u7684\u884c\u548c\u5217\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u4f7f\u7528 array[rowIndex][columnIndex] \u8bbf\u95ee\u5143\u7d20\u3002<\/li>\n<\/ol>\n<h3>\u793a\u4f8b\u4ee3\u7801\uff1a<\/h3>\n<pre>int[][] array = new int[3][4]; \/\/ \u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6570\u7ec4\n\n\/\/ \u5faa\u73af\u63d2\u5165\u5143\u7d20\nfor (int i = 0; i &lt; array.length; i++) {  \/\/ \u904d\u5386\u884c\n    for (int j = 0; j &lt; array[i].length; j++) {  \/\/ \u904d\u5386\u5217\n        array[i][j] = i * 4 + j;  \/\/ \u4e3a\u6bcf\u4e2a\u5143\u7d20\u63d2\u5165\u503c\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u6ce8\u610f\uff1a<\/h3>\n<ul>\n<li>\u786e\u4fdd\u5faa\u73af\u7d22\u5f15\u4e0d\u8d85\u51fa\u6570\u7ec4\u8fb9\u754c\uff08\u5373\uff0c<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u5faa\u73af\u673a\u5236\uff08\u5982 for-each \u5faa\u73af\uff09\u6765\u904d\u5386\u6570\u7ec4\uff0c\u4f46\u5d4c\u5957 for \u5faa\u73af\u901a\u5e38\u66f4\u901a\u7528\u3002<\/li>\n<li>\u4e5f\u53ef\u4ee5\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\u5c06\u6570\u7ec4\u586b\u5145\u4e3a\u7279\u5b9a\u503c\uff0c\u4f46\u5faa\u73af\u63d2\u5165\u5141\u8bb8\u5bf9\u6bcf\u4e2a\u5143\u7d20\u6307\u5b9a\u4e0d\u540c\u7684\u503c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u63d2\u5165\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\uff0c\u5faa\u73af\u63d2\u5165\u5143\u7d20\u5230\u4e8c\u7ef4\u6570\u7ec4\u9700\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u884c\u548c\u5217\uff1a\u83b7\u53d6\u6570\u7ec4\u7ef4\u5ea6\u3002\u521b\u5efa\u5d4c\u5957\u5faa\u73af\u904d\u5386\u884c\u548c\u5217\u3002\u5728\u9002\u5f53\u7684\u884c\u548c\u5217\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002 Java \u4e8c\u7ef4\u6570\u7ec4\u5982\u4f55\u5faa\u73af\u63d2\u5165 \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5b83\u5b58\u50a8\u6570\u636e\u5143\u7d20\u7684\u884c\u548c\u5217\u3002\u5faa\u73af\u63d2\u5165\u5143\u7d20\u5230\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u9700\u8981\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u884c\u548c\u5217\u3002 \u6b65\u9aa4\uff1a \u83b7\u53d6\u6570\u7ec4\u7ef4\u5ea6\uff1a\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\u3002 \u521b\u5efa\u5d4c\u5957\u5faa\u73af\uff1a\u4f7f\u7528\u4e24\u4e2a for \u5faa\u73af\u6765\u904d\u5386\u884c\u548c\u5217\u3002 \u63d2\u5165\u5143\u7d20\uff1a\u5728\u9002\u5f53\u7684\u884c\u548c\u5217\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u4f7f\u7528 array[rowIndex][columnIndex] \u8bbf\u95ee\u5143\u7d20\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a int[][] array = new int[3][4]; \/\/ \u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6570\u7ec4 \/\/ \u5faa\u73af\u63d2\u5165\u5143\u7d20 for (int i = 0; i &lt; array.length; i++) { \/\/ \u904d\u5386\u884c for (int j = 0; j &lt; array[i].length; 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-66684","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66684","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=66684"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66684\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}