{"id":37823,"date":"2024-11-26T13:20:25","date_gmt":"2024-11-26T05:20:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37823\/"},"modified":"2024-11-26T13:20:25","modified_gmt":"2024-11-26T05:20:25","slug":"java%e6%80%8e%e4%b9%88%e5%8f%96%e6%95%b0%e7%bb%84%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37823\/","title":{"rendered":"java\u600e\u4e48\u53d6\u6570\u7ec4\u7684\u503c"},"content":{"rendered":"

\n java \u4e2d\u901a\u8fc7\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u83b7\u53d6\u6570\u7ec4\u503c\uff0c\u8bed\u6cd5\u4e3a\uff1aarr[index]\u3002\u5176\u4e2d\uff0carr \u4e3a\u6570\u7ec4\u540d\u79f0\uff0cindex \u4e3a\u8981\u83b7\u53d6\u7684\u503c\u7684\u7d22\u5f15\u3002\u6ce8\u610f\u4e8b\u9879\uff1a\u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u6574\u6570\u5e76\u5c0f\u4e8e\u6570\u7ec4\u957f\u5ea6\uff0c\u5426\u5219\u4f1a\u629b\u51fa arrayindexoutofboundsexception\u3002\u8981\u83b7\u53d6\u6570\u7ec4\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6bcf\u4e2a\u7d22\u5f15\u3002\n<\/p><\/blockquote>\n

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

\u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4\u4e2d\u7684\u503c<\/strong><\/p>\n

Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u503c\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u8981\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u5373\u53ef\u3002<\/p>\n

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

arr[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
  • arr \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • index \u662f\u8981\u83b7\u53d6\u503c\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    int[] arr = {1, 2, 3, 4, 5};\nint value = arr[2]; \/\/ \u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u503c\uff0c\u5373 3<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
      \n
    • \u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u6574\u6570\u3002<\/li>\n
    • \u7d22\u5f15\u5fc5\u987b\u5c0f\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n
    • \u5982\u679c\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\uff0c\u5c06\u629b\u51fa ArrayIndexOutOfBoundsException\u3002<\/li>\n<\/ul>\n
      \u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c\uff1a<\/strong><\/p>\n
      \u8981\u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\uff1a<\/p>\n
      for (int i = 0; i < arr.length; i++) {\n    int value = arr[i];\n    \/\/ \u5bf9\u503c\u8fdb\u884c\u5904\u7406...\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u53d6\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":"
      java \u4e2d\u901a\u8fc7\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u83b7\u53d6\u6570\u7ec4\u503c\uff0c\u8bed\u6cd5\u4e3a\uff1aarr[index]\u3002\u5176\u4e2d\uff0carr \u4e3a\u6570\u7ec4\u540d\u79f0\uff0cindex \u4e3a\u8981\u83b7\u53d6\u7684\u503c\u7684\u7d22\u5f15\u3002\u6ce8\u610f\u4e8b\u9879\uff1a\u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u6574\u6570\u5e76\u5c0f\u4e8e\u6570\u7ec4\u957f\u5ea6\uff0c\u5426\u5219\u4f1a\u629b\u51fa arrayindexoutofboundsexception\u3002\u8981\u83b7\u53d6\u6570\u7ec4\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6bcf\u4e2a\u7d22\u5f15\u3002 \u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4\u4e2d\u7684\u503c Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u503c\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u8981\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u5373\u53ef\u3002 \u8bed\u6cd5\uff1a arr[index] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arr \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 index \u662f\u8981\u83b7\u53d6\u503c\u7684\u7d22\u5f15\u3002 \u793a\u4f8b\uff1a int[] arr = {1, 2, 3, 4, 5}; int value = arr[2]; \/\/ \u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u503c\uff0c\u5373 3 \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\u4e8b\u9879\uff1a \u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u6574\u6570\u3002 \u7d22\u5f15\u5fc5\u987b\u5c0f\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u5982\u679c\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\uff0c\u5c06\u629b\u51fa ArrayIndexOutOfBoundsException\u3002 \u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c\uff1a \u8981\u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\uff1a for (int i = 0; i < arr.length; […]<\/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-37823","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37823","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=37823"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37823\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}