{"id":38245,"date":"2024-11-26T08:53:51","date_gmt":"2024-11-26T00:53:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38245\/"},"modified":"2024-11-26T08:53:51","modified_gmt":"2024-11-26T00:53:51","slug":"java%e6%80%8e%e4%b9%88%e5%8f%96%e5%87%ba%e6%95%b0%e7%bb%84%e7%9b%b8%e5%ba%94%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38245\/","title":{"rendered":"java\u600e\u4e48\u53d6\u51fa\u6570\u7ec4\u76f8\u5e94\u7684\u503c"},"content":{"rendered":"

\n \u4ece java \u6570\u7ec4\u4e2d\u53d6\u51fa\u76f8\u5e94\u7684\u503c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u6807\u7d22\u5f15\uff0c\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u5bf9\u5e94\u6574\u6570\u503c\uff08\u4ece 0 \u5f00\u59cb\uff09\uff0c\u5e76\u7528\u65b9\u62ec\u53f7 [] \u8bbf\u95ee\u5143\u7d20\u3002\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}; int thirdelement = numbers[2]; \u8bbf\u95ee thirdelement \u4f1a\u8fd4\u56de 3\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u53d6\u51fa\u6570\u7ec4\u76f8\u5e94\u7684\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u53d6\u51fa\u76f8\u5e94\u7684\u503c<\/strong><\/p>\n

\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong><\/p>\n

\u4ece Java \u6570\u7ec4\u4e2d\u53d6\u51fa\u76f8\u5e94\u7684\u503c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u6807\u7d22\u5f15\u3002<\/p>\n

\u8be6\u7ec6\u89e3\u7b54\uff1a<\/strong><\/p>\n

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

\u4f7f\u7528\u4e0b\u6807\u7d22\u5f15<\/strong><\/p>\n

\u6bcf\u4e00\u4f4d\u6570\u7ec4\u5143\u7d20\u90fd\u5bf9\u5e94\u4e00\u4e2a\u6574\u6570\u503c\u79f0\u4e3a\u4e0b\u6807\u7d22\u5f15\uff0c\u4ece 0 \u5f00\u59cb\u3002\u8981\u68c0\u7d22\u6570\u7ec4\u4e2d\u7684\u76f8\u5e94\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [ ] \u6307\u5b9a\u4e0b\u6807\u7d22\u5f15\u3002\u4f8b\u5982\uff1a<\/p>\n

int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u901a\u8fc7\u4e0b\u6807\u7d22\u5f15 2 \u8bbf\u95ee\u7b2c\u4e09\u4e2a\u5143\u7d20\nint thirdElement = numbers[2];\n\nSystem.out.println(thirdElement); \/\/ \u8f93\u51fa\uff1a3<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
    \n
  • \u786e\u4fdd\u4e0b\u6807\u7d22\u5f15\u5728\u6570\u7ec4\u7684\u8fb9\u754c\u5185\uff0c\u5426\u5219\u4f1a\u629b\u51fa ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n
  • \u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u5fc5\u987b\u4e0e\u7d22\u5f15\u7684\u8fd4\u56de\u7c7b\u578b\u76f8\u5339\u914d\u3002<\/li>\n
  • \u8fd8\u53ef\u4ee5\u4f7f\u7528\u8d1f\u6570\u4e0b\u6807\u7d22\u5f15\u4ece\u6570\u7ec4\u672b\u5c3e\u5f00\u59cb\u8ba1\u6570\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \/\/ \u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\nint[][] matrix = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\n\/\/ \u901a\u8fc7\u4e0b\u6807\u7d22\u5f15\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\nint elementAtRow1Col2 = matrix[1][2];\n\nSystem.out.println(elementAtRow1Col2); \/\/ \u8f93\u51fa\uff1a6<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u7ed3\u8bba\uff1a<\/strong><\/p>\n
    \u4f7f\u7528\u4e0b\u6807\u7d22\u5f15\u662f\u4ece Java \u6570\u7ec4\u4e2d\u68c0\u7d22\u76f8\u5e94\u503c\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u53d6\u51fa\u6570\u7ec4\u76f8\u5e94\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":"
    \u4ece java \u6570\u7ec4\u4e2d\u53d6\u51fa\u76f8\u5e94\u7684\u503c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u6807\u7d22\u5f15\uff0c\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u5bf9\u5e94\u6574\u6570\u503c\uff08\u4ece 0 \u5f00\u59cb\uff09\uff0c\u5e76\u7528\u65b9\u62ec\u53f7 [] \u8bbf\u95ee\u5143\u7d20\u3002\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}; int thirdelement = numbers[2]; \u8bbf\u95ee thirdelement \u4f1a\u8fd4\u56de 3\u3002 \u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u53d6\u51fa\u76f8\u5e94\u7684\u503c \u5f00\u95e8\u89c1\u5c71\uff1a \u4ece Java \u6570\u7ec4\u4e2d\u53d6\u51fa\u76f8\u5e94\u7684\u503c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u6807\u7d22\u5f15\u3002 \u8be6\u7ec6\u89e3\u7b54\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528\u4e0b\u6807\u7d22\u5f15 \u6bcf\u4e00\u4f4d\u6570\u7ec4\u5143\u7d20\u90fd\u5bf9\u5e94\u4e00\u4e2a\u6574\u6570\u503c\u79f0\u4e3a\u4e0b\u6807\u7d22\u5f15\uff0c\u4ece 0 \u5f00\u59cb\u3002\u8981\u68c0\u7d22\u6570\u7ec4\u4e2d\u7684\u76f8\u5e94\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [ ] \u6307\u5b9a\u4e0b\u6807\u7d22\u5f15\u3002\u4f8b\u5982\uff1a int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u901a\u8fc7\u4e0b\u6807\u7d22\u5f15 2 \u8bbf\u95ee\u7b2c\u4e09\u4e2a\u5143\u7d20 int thirdElement = numbers[2]; System.out.println(thirdElement); […]<\/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-38245","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38245","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=38245"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38245\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}