{"id":66722,"date":"2025-05-03T11:11:01","date_gmt":"2025-05-03T03:11:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66722\/"},"modified":"2025-05-03T11:11:01","modified_gmt":"2025-05-03T03:11:01","slug":"java%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e4%b8%8b%e6%a0%87-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66722\/","title":{"rendered":"java\u600e\u4e48\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807"},"content":{"rendered":"

\n \u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u7531\u4e24\u4e2a\u6574\u6570\u8868\u793a\uff0c\u5206\u522b\u4e3a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\uff0c\u8bed\u6cd5\u4e3a array[rowindex][columnindex]\u3002\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u5747\u4ece 0 \u5f00\u59cb\uff0c\u8d8a\u754c\u8bbf\u95ee\u4f1a\u5f15\u53d1\u9519\u8bef\uff0c\u53ef\u4f7f\u7528 array.length \u68c0\u67e5\u6570\u7ec4\u5927\u5c0f\u907f\u514d\u8be5\u60c5\u51b5\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u8868\u793a<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e0b\u6807\u7531\u4e24\u4e2a\u6574\u6570\u8868\u793a\uff0c\u5206\u522b\u4ee3\u8868\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u3002<\/p>\n

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

\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

array[rowIndex][columnIndex]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • array \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n
  • rowIndex \u662f\u8981\u8bbf\u95ee\u7684\u884c\u7d22\u5f15<\/li>\n
  • columnIndex \u662f\u8981\u8bbf\u95ee\u7684\u5217\u7d22\u5f15<\/li>\n<\/ul>\n
    \u793a\u4f8b<\/strong><\/p>\n
    \u8003\u8651\u4ee5\u4e0b\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n
    int[][] numbers = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8981\u8bbf\u95ee\u884c\u7d22\u5f15\u4e3a 1 \u548c\u5217\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
    int element = numbers[1][2];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de\u5143\u7d20 6\u3002<\/p>\n
    \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
      \n
    • \u884c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u800c\u5217\u7d22\u5f15\u4e5f\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
    • \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8fb9\u754c\u7684\u4e0b\u6807\u4f1a\u5bfc\u81f4 ArrayIndexOutOfBoundsException \u9519\u8bef\u3002<\/li>\n
    • \u4e3a\u4e86\u907f\u514d\u8d8a\u754c\u9519\u8bef\uff0c\u53ef\u4ee5\u4f7f\u7528 array.length \u68c0\u67e5\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u7531\u4e24\u4e2a\u6574\u6570\u8868\u793a\uff0c\u5206\u522b\u4e3a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\uff0c\u8bed\u6cd5\u4e3a array[rowindex][columnindex]\u3002\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u5747\u4ece 0 \u5f00\u59cb\uff0c\u8d8a\u754c\u8bbf\u95ee\u4f1a\u5f15\u53d1\u9519\u8bef\uff0c\u53ef\u4f7f\u7528 array.length \u68c0\u67e5\u6570\u7ec4\u5927\u5c0f\u907f\u514d\u8be5\u60c5\u51b5\u3002 Java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u8868\u793a \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e0b\u6807\u7531\u4e24\u4e2a\u6574\u6570\u8868\u793a\uff0c\u5206\u522b\u4ee3\u8868\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u3002 \u8bed\u6cd5 \u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array[rowIndex][columnIndex] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a array \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0 rowIndex \u662f\u8981\u8bbf\u95ee\u7684\u884c\u7d22\u5f15 columnIndex \u662f\u8981\u8bbf\u95ee\u7684\u5217\u7d22\u5f15 \u793a\u4f8b \u8003\u8651\u4ee5\u4e0b\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] numbers = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; \u767b\u5f55\u540e\u590d\u5236 \u8981\u8bbf\u95ee\u884c\u7d22\u5f15\u4e3a 1 \u548c\u5217\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int element = numbers[1][2]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u8fd4\u56de\u5143\u7d20 6\u3002 \u6ce8\u610f\u4e8b\u9879 \u884c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u800c\u5217\u7d22\u5f15\u4e5f\u4ece […]<\/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-66722","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66722","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=66722"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66722\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}