{"id":40081,"date":"2024-11-26T11:49:46","date_gmt":"2024-11-26T03:49:46","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40081\/"},"modified":"2024-11-26T11:49:46","modified_gmt":"2024-11-26T03:49:46","slug":"java%e6%80%8e%e4%b9%88%e5%bb%ba%e7%ab%8b%e4%b8%80%e4%b8%aa%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40081\/","title":{"rendered":"java\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u58f0\u660e\u53d8\u91cf\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1aint[][] arrayname;\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff1aarrayname = new intnumrow;\u901a\u8fc7 arraynamerowindex \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5177\u6709\u4e24\u4e2a\u7ef4\u5ea6\uff08\u884c\u548c\u5217\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u5141\u8bb8\u5b58\u50a8\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n

1. \u58f0\u660e\u53d8\u91cf<\/strong><\/p>\n

\u9996\u5148\uff0c\u4f60\u9700\u8981\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u53d8\u91cf\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u6765\u5b8c\u6210\uff1a<\/p>\n

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

int[][] arrayName;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • int \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
  • [][] \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002<\/li>\n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n
    2. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n
    \u63a5\u4e0b\u6765\uff0c\u9700\u8981\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    arrayName = new int[numRow][numCol];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • numRow \u662f\u6570\u7ec4\u884c\u6570\u3002<\/li>\n
    • numCol \u662f\u6570\u7ec4\u5217\u6570\u3002<\/li>\n<\/ul>\n
      3. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
      \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
      arrayName[rowIndex][colIndex]<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5176\u4e2d\uff1a<\/p>\n
        \n
      • rowIndex \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u7d22\u5f15\u3002<\/li>\n
      • colIndex \u662f\u5143\u7d20\u6240\u5728\u7684\u5217\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
        \u793a\u4f8b<\/strong><\/p>\n
        \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5728 Java \u4e2d\u521b\u5efa\u548c\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b\uff1a<\/p>\n
        int[][] numbers = new int[2][3];\n\n\/\/ \u8bbe\u7f6e\u6570\u7ec4\u503c\nnumbers[0][0] = 1;\nnumbers[0][1] = 2;\nnumbers[0][2] = 3;\nnumbers[1][0] = 4;\nnumbers[1][1] = 5;\nnumbers[1][2] = 6;\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u503c\nSystem.out.println(numbers[0][1]); \/\/ \u8f93\u51fa 2<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728 Java \u4e2d\u521b\u5efa\u548c\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\uff0c\u8fd9\u662f\u4e00\u79cd\u5728\u7a0b\u5e8f\u4e2d\u5b58\u50a8\u548c\u7ec4\u7ec7\u6570\u636e\u7684\u5f3a\u5927\u65b9\u5f0f\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\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\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u58f0\u660e\u53d8\u91cf\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1aint[][] arrayname;\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff1aarrayname = new intnumrow;\u901a\u8fc7 arraynamerowindex \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u5728 Java \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5177\u6709\u4e24\u4e2a\u7ef4\u5ea6\uff08\u884c\u548c\u5217\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u5141\u8bb8\u5b58\u50a8\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a 1. \u58f0\u660e\u53d8\u91cf \u9996\u5148\uff0c\u4f60\u9700\u8981\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u53d8\u91cf\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u6765\u5b8c\u6210\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a int \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002 [][] \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 2. \u521d\u59cb\u5316\u6570\u7ec4 \u63a5\u4e0b\u6765\uff0c\u9700\u8981\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a arrayName = new int[numRow][numCol]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a numRow \u662f\u6570\u7ec4\u884c\u6570\u3002 numCol \u662f\u6570\u7ec4\u5217\u6570\u3002 3. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a arrayName[rowIndex][colIndex] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a rowIndex \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u7d22\u5f15\u3002 colIndex […]<\/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-40081","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40081","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=40081"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40081\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}