{"id":34494,"date":"2024-11-26T08:39:27","date_gmt":"2024-11-26T00:39:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34494\/"},"modified":"2024-11-26T08:39:27","modified_gmt":"2024-11-26T00:39:27","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%b5%8b%e5%80%bc%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34494\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\u9700\u8981\u5148\u58f0\u660e\u5e76\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u7136\u540e\u5206\u522b\u8bbf\u95ee\u3001\u8d4b\u503c\u548c\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a1. \u58f0\u660e\u548c\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\uff1b2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1b3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\uff1b4. \u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\u9700\u8981\u5206\u6b65\u8fdb\u884c\uff1a<\/p>\n

1. \u58f0\u660e\u548c\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u8bed\u6cd5\uff1a<\/p>\n

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

int[][] array = new int[rows][cols];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • array \u662f\u8981\u58f0\u660e\u7684\u4e8c\u7ef4\u6570\u7ec4\u540d\u79f0<\/li>\n
  • rows \u662f\u6570\u7ec4\u7684\u884c\u6570<\/li>\n
  • cols \u662f\u6570\u7ec4\u7684\u5217\u6570<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a\u58f0\u660e\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4<\/p>\n
    int[][] myArray = new int[3][4];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
    \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
    array[row][column]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • array \u662f\u4e8c\u7ef4\u6570\u7ec4\u540d\u79f0<\/li>\n
    • row \u662f\u8981\u8bbf\u95ee\u5143\u7d20\u6240\u5728\u7684\u884c\u53f7<\/li>\n
    • column \u662f\u8981\u8bbf\u95ee\u5143\u7d20\u6240\u5728\u7684\u5217\u53f7<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a\u8bbf\u95ee myArray \u4e2d\u7b2c 2 \u884c\u7b2c 3 \u5217\u7684\u5143\u7d20<\/p>\n
      int element = myArray[1][2];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
      \u8981\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
      array[row][column] = value;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5176\u4e2d\uff1a<\/p>\n
        \n
      • array \u662f\u4e8c\u7ef4\u6570\u7ec4\u540d\u79f0<\/li>\n
      • row \u662f\u8981\u8d4b\u503c\u5143\u7d20\u6240\u5728\u7684\u884c\u53f7<\/li>\n
      • column \u662f\u8981\u8d4b\u503c\u5143\u7d20\u6240\u5728\u7684\u5217\u53f7<\/li>\n
      • value \u662f\u8981\u8d4b\u4e88\u5143\u7d20\u7684\u503c<\/li>\n<\/ul>\n
        \u793a\u4f8b\uff1a\u5c06 myArray \u4e2d\u7b2c 2 \u884c\u7b2c 3 \u5217\u7684\u5143\u7d20\u8d4b\u503c\u4e3a 10<\/p>\n
        myArray[1][2] = 10;<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        4. \u904d\u5386\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n
        \u8981\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\uff1a<\/p>\n
        for (int row = 0; row < rows; row++) {\n    for (int column = 0; column < cols; column++) {\n        \/\/ \u8bbf\u95ee\u6216\u64cd\u4f5c\u6570\u7ec4\u5143\u7d20\n    }\n}<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u5176\u4e2d\uff1a<\/p>\n
          \n
        • rows \u662f\u6570\u7ec4\u7684\u884c\u6570<\/li>\n
        • cols \u662f\u6570\u7ec4\u7684\u5217\u6570<\/li>\n<\/ul>\n
          \u793a\u4f8b\uff1a\u6253\u5370 myArray \u4e2d\u6240\u6709\u5143\u7d20<\/p>\n
          for (int row = 0; row < myArray.length; row++) {\n    for (int column = 0; column < myArray[row].length; column++) {\n        System.out.println(myArray[row][column]);\n    }\n}<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\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":"
          \u5728 java \u4e2d\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\u9700\u8981\u5148\u58f0\u660e\u5e76\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u7136\u540e\u5206\u522b\u8bbf\u95ee\u3001\u8d4b\u503c\u548c\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a1. \u58f0\u660e\u548c\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\uff1b2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1b3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\uff1b4. \u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u3002 \u5982\u4f55\u5728 Java \u4e2d\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\u9700\u8981\u5206\u6b65\u8fdb\u884c\uff1a 1. \u58f0\u660e\u548c\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 \u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] array = new int[rows][cols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a array \u662f\u8981\u58f0\u660e\u7684\u4e8c\u7ef4\u6570\u7ec4\u540d\u79f0 rows \u662f\u6570\u7ec4\u7684\u884c\u6570 cols \u662f\u6570\u7ec4\u7684\u5217\u6570 \u793a\u4f8b\uff1a\u58f0\u660e\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4 int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a array[row][column] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a array \u662f\u4e8c\u7ef4\u6570\u7ec4\u540d\u79f0 row \u662f\u8981\u8bbf\u95ee\u5143\u7d20\u6240\u5728\u7684\u884c\u53f7 column \u662f\u8981\u8bbf\u95ee\u5143\u7d20\u6240\u5728\u7684\u5217\u53f7 \u793a\u4f8b\uff1a\u8bbf\u95ee myArray […]<\/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-34494","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34494","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=34494"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34494\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}