{"id":65986,"date":"2025-05-03T14:57:47","date_gmt":"2025-05-03T06:57:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65986\/"},"modified":"2025-05-03T14:57:47","modified_gmt":"2025-05-03T06:57:47","slug":"java-%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%ba%8c%e5%85%83%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65986\/","title":{"rendered":"java \u600e\u4e48\u5b9a\u4e49\u4e8c\u5143\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u7684\u4e8c\u5143\u6570\u7ec4\uff08\u4e8c\u7ef4\u6570\u7ec4\uff09\u4f7f\u7528 int[][] myarray = new int[numrows][numcols]; \u5b9a\u4e49\uff0c\u5176\u4e2d numrows \u8868\u793a\u884c\u6570\uff0cnumcols \u8868\u793a\u5217\u6570\u3002\u591a\u7ef4\u6570\u7ec4\uff08\u5982\u4e09\u7ef4\u6570\u7ec4\uff09\u4f7f\u7528\u7c7b\u4f3c\u8bed\u6cd5\u5b9a\u4e49\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u90fd\u6709\u5176\u957f\u5ea6\u3002\u6570\u7ec4\u7684\u7ef4\u5ea6\u548c\u5927\u5c0f\u5728\u5b9a\u4e49\u540e\u90fd\u662f\u4e0d\u53ef\u66f4\u6539\u7684\u3002\n<\/p><\/blockquote>\n

\"java<\/p>\n

Java \u4e2d\u5b9a\u4e49\u4e8c\u5143\u6570\u7ec4<\/strong><\/p>\n

\u4e8c\u5143\u6570\u7ec4\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5b83\u5b58\u50a8\u5143\u7d20\u7684\u884c\u548c\u5217\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u65b9\u5f0f\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u5143\u6570\u7ec4\uff1a<\/p>\n

int[][] myArray = new int[numRows][numCols];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • myArray \u662f\u4e8c\u5143\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • numRows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n
  • numCols \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6574\u6570\u4e8c\u5143\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\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
    \u4e00\u65e6\u5b9a\u4e49\u4e86\u4e8c\u5143\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u548c\u4fee\u6539\u5176\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    myArray[0][0];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8981\u4fee\u6539\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff1a<\/p>\n
    myArray[0][0] = 1;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n
    \u9664\u4e86\u4e8c\u5143\u6570\u7ec4\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u66f4\u9ad8\u7ef4\u5ea6\u7684\u591a\u7ef4\u6570\u7ec4\u3002\u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e09\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
    int[][][] myArray = new int[dim1][dim2][dim3];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • dim1 \u662f\u6570\u7ec4\u7684\u7b2c\u4e00\u7ef4\u3002<\/li>\n
    • dim2 \u662f\u6570\u7ec4\u7684\u7b2c\u4e8c\u7ef4\u3002<\/li>\n
    • dim3 \u662f\u6570\u7ec4\u7684\u7b2c\u4e09\u7ef4\u3002<\/li>\n<\/ul>\n
      \u591a\u7ef4\u6570\u7ec4\u7684\u8bbf\u95ee\u65b9\u5f0f\u4e0e\u4e8c\u5143\u6570\u7ec4\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u7d22\u5f15\u6765\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u4e09\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
      myArray[0][0][0];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6ce8\u610f\uff1a<\/strong><\/p>\n
        \n
      • \u4e8c\u5143\u6570\u7ec4\u548c\u591a\u7ef4\u6570\u7ec4\u90fd\u662f\u5bf9\u8c61\u3002<\/li>\n
      • \u5728\u5b9a\u4e49\u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u6240\u6709\u7ef4\u5ea6\u7684\u957f\u5ea6\u3002<\/li>\n
      • \u6570\u7ec4\u7684\u5927\u5c0f\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5728\u521b\u5efa\u6570\u7ec4\u540e\u4e0d\u80fd\u66f4\u6539\u5176\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava \u600e\u4e48\u5b9a\u4e49\u4e8c\u5143\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\u7684\u4e8c\u5143\u6570\u7ec4\uff08\u4e8c\u7ef4\u6570\u7ec4\uff09\u4f7f\u7528 int[][] myarray = new int[numrows][numcols]; \u5b9a\u4e49\uff0c\u5176\u4e2d numrows \u8868\u793a\u884c\u6570\uff0cnumcols \u8868\u793a\u5217\u6570\u3002\u591a\u7ef4\u6570\u7ec4\uff08\u5982\u4e09\u7ef4\u6570\u7ec4\uff09\u4f7f\u7528\u7c7b\u4f3c\u8bed\u6cd5\u5b9a\u4e49\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u90fd\u6709\u5176\u957f\u5ea6\u3002\u6570\u7ec4\u7684\u7ef4\u5ea6\u548c\u5927\u5c0f\u5728\u5b9a\u4e49\u540e\u90fd\u662f\u4e0d\u53ef\u66f4\u6539\u7684\u3002 Java \u4e2d\u5b9a\u4e49\u4e8c\u5143\u6570\u7ec4 \u4e8c\u5143\u6570\u7ec4\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5b83\u5b58\u50a8\u5143\u7d20\u7684\u884c\u548c\u5217\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u65b9\u5f0f\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u5143\u6570\u7ec4\uff1a int[][] myArray = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a myArray \u662f\u4e8c\u5143\u6570\u7ec4\u7684\u540d\u79f0\u3002 numRows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002 numCols \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002 \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6574\u6570\u4e8c\u5143\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u4e00\u65e6\u5b9a\u4e49\u4e86\u4e8c\u5143\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u548c\u4fee\u6539\u5176\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a myArray[0][0]; \u767b\u5f55\u540e\u590d\u5236 \u8981\u4fee\u6539\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff1a myArray[0][0] = 1; \u767b\u5f55\u540e\u590d\u5236 \u591a\u7ef4\u6570\u7ec4 \u9664\u4e86\u4e8c\u5143\u6570\u7ec4\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u66f4\u9ad8\u7ef4\u5ea6\u7684\u591a\u7ef4\u6570\u7ec4\u3002\u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e09\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int[][][] myArray = new […]<\/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-65986","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65986","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=65986"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65986\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}