{"id":67015,"date":"2025-05-03T09:28:53","date_gmt":"2025-05-03T01:28:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67015\/"},"modified":"2025-05-03T09:28:53","modified_gmt":"2025-05-03T01:28:53","slug":"java%e4%b8%ad-%e6%80%8e%e4%b9%88%e7%94%a8%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e5%ad%98%e5%9c%b0%e5%90%8d-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67015\/","title":{"rendered":"JAVA\u4e2d \u600e\u4e48\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u5730\u540d"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u5730\u540d\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002\u901a\u8fc7\u884c\u548c\u5217\u7d22\u5f15\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111800035977241.jpg\" class=\"aligncenter\" title=\"JAVA\u4e2d \u600e\u4e48\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u5730\u540d\u63d2\u56fe\" alt=\"JAVA\u4e2d \u600e\u4e48\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u5730\u540d\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u5730\u540d<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u4e00\u4e2a\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u503c\u7684\u96c6\u5408\u3002\u8981\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u5730\u540d\uff0c\u4f60\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u5730\u540d\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[][] placeNames = new String[numRows][numCols];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d numRows \u548c numCols \u5206\u522b\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6570\u7ec4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre>String[][] placeNames = new String[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u8d4b\u503c\u5143\u7d20<\/strong><\/p>\n<p>\u4e00\u65e6\u5b9a\u4e49\u4e86\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u6765\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u8981\u7ed9\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\u8d4b\u503c\u4e3a &#8220;San Francisco&#8221;\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre>placeNames[0][1] = \"San Francisco\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n<p>\u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>String element = placeNames[row][col];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d row \u548c col \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u548c\u5217\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre>String element = placeNames[0][1];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u8981\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre>for (int row = 0; row &lt; placeNames.length; row++) {\n    for (int col = 0; col &lt; placeNames[row].length; col++) {\n        String element = placeNames[row][col];\n        \/\/ \u6267\u884c\u64cd\u4f5c\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u6709\u6548\u5730\u5b58\u50a8\u5730\u540d\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u4e2d \u600e\u4e48\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u5730\u540d\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\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u5730\u540d\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002\u901a\u8fc7\u884c\u548c\u5217\u7d22\u5f15\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002 \u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u5730\u540d \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u4e00\u4e2a\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u503c\u7684\u96c6\u5408\u3002\u8981\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u5730\u540d\uff0c\u4f60\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4 \u9996\u5148\uff0c\u4f60\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u5730\u540d\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[][] placeNames = new String[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d numRows \u548c numCols \u5206\u522b\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6570\u7ec4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a String[][] placeNames = new String[3][4]; \u767b\u5f55\u540e\u590d\u5236 2. \u8d4b\u503c\u5143\u7d20 \u4e00\u65e6\u5b9a\u4e49\u4e86\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u6765\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u8981\u7ed9\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\u8d4b\u503c\u4e3a &#8220;San Francisco&#8221;\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a placeNames[0][1] = &#8220;San Francisco&#8221;; \u767b\u5f55\u540e\u590d\u5236 3. \u8bbf\u95ee\u5143\u7d20 \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a String element = placeNames[row][col]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d row \u548c col \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u548c\u5217\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a [&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-67015","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67015","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=67015"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67015\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}