{"id":65239,"date":"2025-05-03T08:23:48","date_gmt":"2025-05-03T00:23:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65239\/"},"modified":"2025-05-03T08:23:48","modified_gmt":"2025-05-03T00:23:48","slug":"java%e6%80%8e%e4%b9%88%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65239\/","title":{"rendered":"java\u600e\u4e48\u6570\u7ec4\u5143\u7d20"},"content":{"rendered":"

\n java \u4e2d\uff0c\u6570\u7ec4\u5143\u7d20\u53ef\u901a\u8fc7\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u548c\u4fee\u6539\uff1a1. \u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\uff0c\u5982 numbers[2] \u83b7\u53d6\u4e0b\u6807\u4e3a 2 \u7684\u5143\u7d20\u30022. \u4fee\u6539\u5143\u7d20\uff1a\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\u548c\u8d4b\u503c\uff0c\u5982 numbers[2] = 10 \u4fee\u6539\u4e0b\u6807\u4e3a 2 \u7684\u5143\u7d20\u3002\u6ce8\u610f\u907f\u514d\u6570\u7ec4\u8d8a\u754c\uff0c\u8d85\u51fa\u8303\u56f4\u4f1a\u5f15\u53d1 arrayindexoutofboundsexception\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u6570\u7ec4\u5143\u7d20\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u4fee\u6539<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u540c\u7c7b\u578b\u7684\u6570\u636e\u5143\u7d20\u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u53ef\u4ee5\u901a\u8fc7\u5176\u4e0b\u6807\u8fdb\u884c\u8bbf\u95ee\u548c\u4fee\u6539\u3002<\/p>\n

\u5143\u7d20\u8bbf\u95ee<\/strong><\/p>\n

\u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 ([])\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

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

int[] numbers = {1, 2, 3, 4, 5};\nint number = numbers[2]; \/\/ \u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff0c\u503c\u4e3a 3<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5143\u7d20\u4fee\u6539<\/strong><\/p>\n
\u8981\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
numbers[2] = 10; \/\/ \u5c06\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\u4fee\u6539\u4e3a 10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u8d8a\u754c<\/strong><\/p>\n
\u5728\u8bbf\u95ee\u6216\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u907f\u514d\u6570\u7ec4\u8d8a\u754c\u3002\u5982\u679c\u8bbf\u95ee\u7684\u7d22\u5f15\u8d85\u51fa\u6570\u7ec4\u7684\u8303\u56f4\uff0c\u5c06\u5f15\u53d1 ArrayIndexOutOfBoundsException\u3002\u56e0\u6b64\uff0c\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u8bbf\u95ee\u7684\u7d22\u5f15\u59cb\u7ec8\u5728\u6570\u7ec4\u7684\u6709\u6548\u8303\u56f4\u5185\u3002<\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6570\u7ec4\u64cd\u4f5c\u7684\u793a\u4f8b\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\nint thirdNumber = numbers[2];\n\n\/\/ \u4fee\u6539\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u503c\u4e3a 10\nnumbers[1] = 10;\n\n\/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\nfor (int number : numbers) {\n    System.out.println(number);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n10\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6570\u7ec4\u5143\u7d20\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
java \u4e2d\uff0c\u6570\u7ec4\u5143\u7d20\u53ef\u901a\u8fc7\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u548c\u4fee\u6539\uff1a1. \u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\uff0c\u5982 numbers[2] \u83b7\u53d6\u4e0b\u6807\u4e3a 2 \u7684\u5143\u7d20\u30022. \u4fee\u6539\u5143\u7d20\uff1a\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\u548c\u8d4b\u503c\uff0c\u5982 numbers[2] = 10 \u4fee\u6539\u4e0b\u6807\u4e3a 2 \u7684\u5143\u7d20\u3002\u6ce8\u610f\u907f\u514d\u6570\u7ec4\u8d8a\u754c\uff0c\u8d85\u51fa\u8303\u56f4\u4f1a\u5f15\u53d1 arrayindexoutofboundsexception\u3002 Java \u4e2d\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u4fee\u6539 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u540c\u7c7b\u578b\u7684\u6570\u636e\u5143\u7d20\u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u53ef\u4ee5\u901a\u8fc7\u5176\u4e0b\u6807\u8fdb\u884c\u8bbf\u95ee\u548c\u4fee\u6539\u3002 \u5143\u7d20\u8bbf\u95ee \u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 ([])\uff0c\u5982\u4e0b\u6240\u793a\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int number = numbers[2]; \/\/ \u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff0c\u503c\u4e3a 3 \u767b\u5f55\u540e\u590d\u5236 \u5143\u7d20\u4fee\u6539 \u8981\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\uff0c\u5982\u4e0b\u6240\u793a\uff1a numbers[2] = 10; \/\/ \u5c06\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\u4fee\u6539\u4e3a […]<\/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-65239","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65239","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=65239"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65239\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}