{"id":66725,"date":"2025-05-03T08:43:04","date_gmt":"2025-05-03T00:43:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66725\/"},"modified":"2025-05-03T08:43:04","modified_gmt":"2025-05-03T00:43:04","slug":"java%e6%80%8e%e4%b9%88%e5%88%9b%e5%bb%ba%e5%8a%a8%e6%80%81%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66725\/","title":{"rendered":"java\u600e\u4e48\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5d4c\u5957\u65b9\u62ec\u53f7\u8bed\u6cd5\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\u3002\u5728\u7b2c\u4e00\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u884c\u6570\u3002\u5728\u7b2c\u4e8c\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u5217\u6570\u3002\u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u52a8\u6001\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 new<\/strong> \u5173\u952e\u5b57\u548c\u5d4c\u5957\u65b9\u62ec\u53f7\u8bed\u6cd5\u6765\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n

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

int[][] arrayName = new int[rows][columns];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  •  arrayName<\/strong> \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  •  rows<\/strong> \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n
  •  columns<\/strong> \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    int[][] myArray = new int[3][4]; \/\/ \u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8be6\u7ec6\u6b65\u9aa4\uff1a<\/strong><\/p>\n
      \n
    1. \u4f7f\u7528 new<\/strong> \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\u3002<\/li>\n
    2. \u5728\u7b2c\u4e00\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n
    3. \u5728\u7b2c\u4e8c\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ol>\n
      \u52a8\u6001\u5927\u5c0f\uff1a<\/strong><\/p>\n
      \u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u6765\u6307\u5b9a\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\uff0c\u4ece\u800c\u521b\u5efa\u52a8\u6001\u5927\u5c0f\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      int rows = 5;\nint columns = 7;\nint[][] myArray = new int[rows][columns]; \/\/ \u521b\u5efa\u4e00\u4e2a 5 \u884c 7 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6570\u7ec4\u7684\u5927\u5c0f\u7531 rows<\/strong> \u548c columns<\/strong> \u53d8\u91cf\u52a8\u6001\u786e\u5b9a\u3002<\/p>\n
      \u8bbf\u95ee\u5143\u7d20\uff1a<\/strong><\/p>\n
      \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\uff1a<\/p>\n
      myArray[row][column]<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5176\u4e2d\uff1a<\/p>\n
      \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
        \n
      •  row<\/strong> \u662f\u884c\u7684\u7d22\u5f15\uff0c\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
      •  column<\/strong> \u662f\u5217\u7684\u7d22\u5f15\uff0c\u4e5f\u4ece 0 \u5f00\u59cb\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        java \u4e2d\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5d4c\u5957\u65b9\u62ec\u53f7\u8bed\u6cd5\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\u3002\u5728\u7b2c\u4e00\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u884c\u6570\u3002\u5728\u7b2c\u4e8c\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u5217\u6570\u3002\u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u52a8\u6001\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002 Java \u4e2d\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u5d4c\u5957\u65b9\u62ec\u53f7\u8bed\u6cd5\u6765\u521b\u5efa\u52a8\u6001\u4e8c\u7ef4\u6570\u7ec4\u3002 \u8bed\u6cd5\uff1a int[][] arrayName = new int[rows][columns]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 rows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002 columns \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002 \u793a\u4f8b\uff1a int[][] myArray = new int[3][4]; \/\/ \u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u8be6\u7ec6\u6b65\u9aa4\uff1a \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\u3002 \u5728\u7b2c\u4e00\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u884c\u6570\u3002 \u5728\u7b2c\u4e8c\u4e2a\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u6570\u7ec4\u7684\u5217\u6570\u3002 \u52a8\u6001\u5927\u5c0f\uff1a \u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u6765\u6307\u5b9a\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\uff0c\u4ece\u800c\u521b\u5efa\u52a8\u6001\u5927\u5c0f\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002 \u793a\u4f8b\uff1a int rows = 5; int columns = […]<\/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-66725","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66725","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=66725"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66725\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}