{"id":40101,"date":"2024-11-26T11:45:33","date_gmt":"2024-11-26T03:45:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40101\/"},"modified":"2024-11-26T11:45:33","modified_gmt":"2024-11-26T03:45:33","slug":"java%e4%ba%8c%e7%bb%b4%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40101\/","title":{"rendered":"java\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49"},"content":{"rendered":"

\n \u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u5b9a\u4e49\uff1a\u4f7f\u7528 string[][] arrayname = new stringrowcount \u8bed\u6cd5\uff0c\u5b9a\u4e49\u540d\u4e3a arrayname \u7684\u884c\u6570\u4e3a rowcount\u3001\u5217\u6570\u4e3a columncount \u7684\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5b9a\u4e49 Java \u4e8c\u7ef4<\/strong><\/p>\n

\u5728 Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

String[][] arrayName = new String[rowCount][columnCount];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • rowCount \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n
  • columnCount \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    String[][] arrayName = new String[3][4];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5177\u6709 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5171\u6709 12 \u4e2a\u5143\u7d20\u3002<\/p>\n
    \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
    \u60a8\u53ef\u4ee5\u4f7f\u7528 arrayName[row][column] \u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u5176\u4e2d\uff1a<\/p>\n
      \n
    • row \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u7684\u7d22\u5f15\u3002<\/li>\n
    • column \u662f\u5143\u7d20\u6240\u5728\u7684\u5217\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
      \u4f8b\u5982\uff0c\u8981\u83b7\u53d6\u6570\u7ec4\u7b2c\u4e00\u884c\u7b2c\u4e00\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
      String element = arrayName[0][0];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8d4b\u503c<\/strong><\/p>\n
      \u8981\u5411\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 arrayName[row][column] = value \u8bed\u6cd5\uff0c\u5176\u4e2d\uff1a<\/p>\n
        \n
      • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
      • row \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u7684\u7d22\u5f15\u3002<\/li>\n
      • column \u662f\u5143\u7d20\u6240\u5728\u7684\u5217\u7684\u7d22\u5f15\u3002<\/li>\n
      • value \u662f\u8981\u8d4b\u7ed9\u5143\u7d20\u7684\u503c\u3002<\/li>\n<\/ul>\n
        \u4f8b\u5982\uff0c\u8981\u5c06 “Hello” \u503c\u8d4b\u7ed9\u6570\u7ec4\u7b2c\u4e00\u884c\u7b2c\u4e00\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
        arrayName[0][0] = \"Hello\";<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u600e\u4e48\u5b9a\u4e49\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":"
        \u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u5b9a\u4e49\uff1a\u4f7f\u7528 string[][] arrayname = new stringrowcount \u8bed\u6cd5\uff0c\u5b9a\u4e49\u540d\u4e3a arrayname \u7684\u884c\u6570\u4e3a rowcount\u3001\u5217\u6570\u4e3a columncount \u7684\u6570\u7ec4\u3002 \u5982\u4f55\u5b9a\u4e49 Java \u4e8c\u7ef4 \u5728 Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a String[][] arrayName = new String[rowCount][columnCount]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 rowCount \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002 columnCount \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002 \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[][] arrayName = new String[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5177\u6709 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5171\u6709 12 \u4e2a\u5143\u7d20\u3002 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u60a8\u53ef\u4ee5\u4f7f\u7528 arrayName[row][column] \u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u5176\u4e2d\uff1a row […]<\/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-40101","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40101","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=40101"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40101\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}