{"id":66660,"date":"2025-05-03T10:16:41","date_gmt":"2025-05-03T02:16:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66660\/"},"modified":"2025-05-03T10:16:41","modified_gmt":"2025-05-03T02:16:41","slug":"java%e4%b8%ad%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e7%90%86%e8%a7%a3-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66660\/","title":{"rendered":"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u7406\u89e3"},"content":{"rendered":"

\n \u4e8c\u7ef4\u6570\u7ec4\u662f\u7528\u4e8e\u8868\u793a\u8868\u683c\u6570\u636e\u7684\u7ed3\u6784\uff0c\u7531\u884c\u548c\u5217\u7ec4\u6210\u3002\u58f0\u660e\u65f6\u9700\u6307\u5b9a\u884c\u548c\u5217\u6570\uff0c\u8bbf\u95ee\u5143\u7d20\u65f6\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\uff0c\u53ef\u7528\u4e09\u91cd\u5d4c\u5957 for \u5faa\u73af\u904d\u5386\u3002\u4e8c\u7ef4\u6570\u7ec4\u80fd\u7ec4\u7ec7\u6570\u636e\u3001\u4fbf\u6377\u8bbf\u95ee\u3001\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u7406\u89e3\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u662fJava\u4e2d\u8868\u793a\u8868\u683c\u6570\u636e\u7684\u7ed3\u6784\uff0c\u5b83\u7531\u884c\u548c\u5217\u7ec4\u6210\u3002\u8981\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6211\u4eec\u5fc5\u987b\u4e86\u89e3\u51e0\u4e2a\u5173\u952e\u6982\u5ff5\u3002<\/p>\n

\u58f0\u660e\u548c\u521d\u59cb\u5316<\/strong><\/p>\n

\u8981\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u884c\u548c\u5217\u7684\u6570\u91cf\u3002\u4ee5\u4e0b\u662f\u58f0\u660e\u548c\u521d\u59cb\u5316\u4e00\u4e2a3\u884c4\u5217\u6574\u6570\u6570\u7ec4\u7684\u793a\u4f8b\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

int[][] myArray = new int[3][4];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\u6765\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
myArray[rowIndex][columnIndex]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
myArray[0][1]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
for\u5faa\u73af\u904d\u5386<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4e09\u91cd\u5d4c\u5957for\u5faa\u73af\u6765\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\uff0c\u800c\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u3002<\/p>\n
for (int i = 0; i < myArray.length; i++) {\n    for (int j = 0; j < myArray[i].length; j++) {\n        \/\/ \u8bbf\u95ee myArray[i][j] \u5143\u7d20\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u4e3a\u4e86\u8fdb\u4e00\u6b65\u7406\u89e3\uff0c\u8003\u8651\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u5b58\u50a8\u4e86\u4e0d\u540c\u56fd\u5bb6\u7684\u57ce\u5e02\uff1a<\/p>\n
String[][] cities = {\n    {\"London\", \"Manchester\", \"Birmingham\"},\n    {\"Paris\", \"Lyon\", \"Bordeaux\"},\n    {\"New York\", \"Los Angeles\", \"Chicago\"}\n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8981\u8bbf\u95ee\u7ebd\u7ea6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
cities[2][0]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f18\u70b9<\/strong><\/p>\n
\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e3b\u8981\u4f18\u70b9\u5305\u62ec\uff1a<\/p>\n
    \n
  • \u7ec4\u7ec7\u548c\u5b58\u50a8\u5177\u6709\u8868\u683c\u7ed3\u6784\u7684\u6570\u636e<\/li>\n
  • \u65b9\u4fbf\u5730\u904d\u5386\u548c\u8bbf\u95ee\u6570\u636e<\/li>\n
  • \u63d0\u9ad8\u548c\u53ef\u7ef4\u62a4\u6027<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u7406\u89e3\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4e8c\u7ef4\u6570\u7ec4\u662f\u7528\u4e8e\u8868\u793a\u8868\u683c\u6570\u636e\u7684\u7ed3\u6784\uff0c\u7531\u884c\u548c\u5217\u7ec4\u6210\u3002\u58f0\u660e\u65f6\u9700\u6307\u5b9a\u884c\u548c\u5217\u6570\uff0c\u8bbf\u95ee\u5143\u7d20\u65f6\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\uff0c\u53ef\u7528\u4e09\u91cd\u5d4c\u5957 for \u5faa\u73af\u904d\u5386\u3002\u4e8c\u7ef4\u6570\u7ec4\u80fd\u7ec4\u7ec7\u6570\u636e\u3001\u4fbf\u6377\u8bbf\u95ee\u3001\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 Java\u4e2d\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u662fJava\u4e2d\u8868\u793a\u8868\u683c\u6570\u636e\u7684\u7ed3\u6784\uff0c\u5b83\u7531\u884c\u548c\u5217\u7ec4\u6210\u3002\u8981\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6211\u4eec\u5fc5\u987b\u4e86\u89e3\u51e0\u4e2a\u5173\u952e\u6982\u5ff5\u3002 \u58f0\u660e\u548c\u521d\u59cb\u5316 \u8981\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u884c\u548c\u5217\u7684\u6570\u91cf\u3002\u4ee5\u4e0b\u662f\u58f0\u660e\u548c\u521d\u59cb\u5316\u4e00\u4e2a3\u884c4\u5217\u6574\u6570\u6570\u7ec4\u7684\u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u5143\u7d20 \u60a8\u53ef\u4ee5\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\u6765\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a myArray[rowIndex][columnIndex] \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\uff1a myArray[0][1] \u767b\u5f55\u540e\u590d\u5236 for\u5faa\u73af\u904d\u5386 \u53ef\u4ee5\u4f7f\u7528\u4e09\u91cd\u5d4c\u5957for\u5faa\u73af\u6765\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\uff0c\u800c\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u3002 for (int i = 0; i < myArray.length; i++) { for (int j = 0; j < myArray[i].length; j++) { \/\/ \u8bbf\u95ee myArray[i][j] \u5143\u7d20 } } \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u4e3a\u4e86\u8fdb\u4e00\u6b65\u7406\u89e3\uff0c\u8003\u8651\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u5b58\u50a8\u4e86\u4e0d\u540c\u56fd\u5bb6\u7684\u57ce\u5e02\uff1a String[][] cities = […]<\/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-66660","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66660","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=66660"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66660\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}