{"id":40085,"date":"2024-11-26T13:20:33","date_gmt":"2024-11-26T05:20:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40085\/"},"modified":"2024-11-26T13:20:33","modified_gmt":"2024-11-26T05:20:33","slug":"java%e6%80%8e%e4%b9%88%e8%af%bb%e5%8f%96%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40085\/","title":{"rendered":"java\u600e\u4e48\u8bfb\u53d6\u4e00\u4e2a\u6570\u7ec4\u7684\u503c"},"content":{"rendered":"

\n \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bfb\u53d6 java \u6570\u7ec4\u4e2d\u7684\u503c\uff0c\u4ece 0 \u5f00\u59cb\uff0c\u8bbf\u95ee\u8d85\u51fa\u8303\u56f4\u7684\u7d22\u5f15\u5c06\u5f15\u53d1\u5f02\u5e38\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u5d4c\u5957\u7d22\u5f15\u8bbf\u95ee\u503c\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8bfb\u53d6\u4e00\u4e2a\u6570\u7ec4\u7684\u503c\u63d2\u56fe\"<\/p>\n

Java\u8bfb\u53d6\u6570\u7ec4\u503c<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u8bfb\u53d6\u6570\u7ec4\u503c\u975e\u5e38\u7b80\u5355\u3002\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u503c\u3002<\/p>\n

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

int value = array[index];<\/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
  • array \u662f\u8981\u8bfb\u53d6\u7684\u6570\u7ec4\u3002<\/li>\n
  • index \u662f\u8981\u8bbf\u95ee\u7684\u503c\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\n\nSystem.out.println(numbers[0]); \/\/ \u8f93\u51fa 1\nSystem.out.println(numbers[2]); \/\/ \u8f93\u51fa 3<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
    • \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\u4f1a\u5f15\u53d1 ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n<\/ul>\n
      \u591a\u7ef4\u6570\u7ec4\uff1a<\/strong><\/p>\n
      \u591a\u7ef4\u6570\u7ec4\uff08\u4f8b\u5982\u4e8c\u7ef4\u6570\u7ec4\uff09\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u7d22\u5f15\u6765\u8bbf\u95ee\u503c\u3002<\/p>\n
      \u8bed\u6cd5\uff1a<\/strong><\/p>\n
      int[][] matrix = {{1, 2}, {3, 4}};\n\nint value = matrix[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
      • matrix \u662f\u8981\u8bfb\u53d6\u7684\u591a\u7ef4\u6570\u7ec4\u3002<\/li>\n
      • row \u662f\u8981\u8bbf\u95ee\u7684\u884c\u7d22\u5f15\u3002<\/li>\n
      • column \u662f\u8981\u8bbf\u95ee\u7684\u5217\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
        \u793a\u4f8b\uff1a<\/strong><\/p>\n
        int[][] matrix = {{1, 2}, {3, 4}};\n\nSystem.out.println(matrix[0][1]); \/\/ \u8f93\u51fa 2\nSystem.out.println(matrix[1][0]); \/\/ \u8f93\u51fa 3<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8bfb\u53d6\u4e00\u4e2a\u6570\u7ec4\u7684\u503c\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":"
        \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bfb\u53d6 java \u6570\u7ec4\u4e2d\u7684\u503c\uff0c\u4ece 0 \u5f00\u59cb\uff0c\u8bbf\u95ee\u8d85\u51fa\u8303\u56f4\u7684\u7d22\u5f15\u5c06\u5f15\u53d1\u5f02\u5e38\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u5d4c\u5957\u7d22\u5f15\u8bbf\u95ee\u503c\u3002 Java\u8bfb\u53d6\u6570\u7ec4\u503c \u5728Java\u4e2d\uff0c\u8bfb\u53d6\u6570\u7ec4\u503c\u975e\u5e38\u7b80\u5355\u3002\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u503c\u3002 \u8bed\u6cd5\uff1a int value = array[index]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array \u662f\u8981\u8bfb\u53d6\u7684\u6570\u7ec4\u3002 index \u662f\u8981\u8bbf\u95ee\u7684\u503c\u7684\u7d22\u5f15\u3002 \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; System.out.println(numbers[0]); \/\/ \u8f93\u51fa 1 System.out.println(numbers[2]); \/\/ \u8f93\u51fa 3 \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\uff1a \u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002 \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\u4f1a\u5f15\u53d1 ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002 \u591a\u7ef4\u6570\u7ec4\uff1a \u591a\u7ef4\u6570\u7ec4\uff08\u4f8b\u5982\u4e8c\u7ef4\u6570\u7ec4\uff09\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u7d22\u5f15\u6765\u8bbf\u95ee\u503c\u3002 \u8bed\u6cd5\uff1a int[][] matrix = {{1, 2}, {3, 4}}; int […]<\/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-40085","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40085","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=40085"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40085\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}