{"id":39397,"date":"2024-11-26T13:03:42","date_gmt":"2024-11-26T05:03:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39397\/"},"modified":"2024-11-26T13:03:42","modified_gmt":"2024-11-26T05:03:42","slug":"java%e6%80%8e%e4%b9%88%e4%bb%8e%e6%95%b0%e7%bb%84%e4%b8%ad%e5%8f%96%e6%9f%90%e4%b8%aa%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39397\/","title":{"rendered":"java\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53d6\u67d0\u4e2a\u5143\u7d20"},"content":{"rendered":"<blockquote><p>\n  \u4ece java \u6570\u7ec4\u4e2d\u83b7\u53d6\u5143\u7d20\u53ef\u901a\u8fc7\u5176\u7d22\u5f15\u4f4d\u7f6e\u5b9e\u73b0\uff0c\u8bed\u6cd5\u4e3a\uff1aarray_name[index]\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8d1f\u7d22\u5f15\u4ece\u6570\u7ec4\u672b\u5c3e\u5012\u6570\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u6570\u7ec4 numbers = {1, 2, 3, 4, 5}\uff0c\u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\u5373 numbers[2]\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111607155079799.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53d6\u67d0\u4e2a\u5143\u7d20\u63d2\u56fe\" alt=\"java\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53d6\u67d0\u4e2a\u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u83b7\u53d6\u5143\u7d20<\/strong><\/p>\n<p>Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u6709\u5e8f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u5143\u7d20\u5b58\u50a8\u5728\u8fde\u7eed\u7684\u5185\u5b58\u5355\u5143\u4e2d\u3002\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u4f4d\u7f6e\u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u5355\u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>array_name[index]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>array_name \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>index \u662f\u8981\u83b7\u53d6\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u5b9a\u4e49\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\nint[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff08\u5373\u7b2c\u4e09\u4e2a\u5143\u7d20\uff09\nint element = numbers[2];\n\n\/\/ \u6253\u5370\u5143\u7d20\nSystem.out.println(element); \/\/ \u8f93\u51fa\uff1a3<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u7d22\u5f15\u8d85\u51fa\u6570\u7ec4\u7684\u8303\u56f4\uff0c\u5219\u4f1a\u629b\u51fa IndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n<li>\u7d22\u5f15\u53ef\u4ee5\u4e3a\u8d1f\u6570\uff0c\u5b83\u5c06\u4ece\u6570\u7ec4\u672b\u5c3e\u5f00\u59cb\u5012\u6570\u3002\u4f8b\u5982\uff0cnumbers[-1] \u5c06\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53d6\u67d0\u4e2a\u5143\u7d20\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":"<p>\u4ece java \u6570\u7ec4\u4e2d\u83b7\u53d6\u5143\u7d20\u53ef\u901a\u8fc7\u5176\u7d22\u5f15\u4f4d\u7f6e\u5b9e\u73b0\uff0c\u8bed\u6cd5\u4e3a\uff1aarray_name[index]\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8d1f\u7d22\u5f15\u4ece\u6570\u7ec4\u672b\u5c3e\u5012\u6570\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u6570\u7ec4 numbers = {1, 2, 3, 4, 5}\uff0c\u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\u5373 numbers[2]\u3002 \u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u83b7\u53d6\u5143\u7d20 Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u6709\u5e8f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u5143\u7d20\u5b58\u50a8\u5728\u8fde\u7eed\u7684\u5185\u5b58\u5355\u5143\u4e2d\u3002\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u4f4d\u7f6e\u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u5355\u4e2a\u5143\u7d20\u3002 \u8bed\u6cd5\uff1a array_name[index] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array_name \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 index \u662f\u8981\u83b7\u53d6\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002 \u793a\u4f8b\uff1a \/\/ \u5b9a\u4e49\u4e00\u4e2a\u6574\u578b\u6570\u7ec4 int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff08\u5373\u7b2c\u4e09\u4e2a\u5143\u7d20\uff09 int element = numbers[2]; \/\/ \u6253\u5370\u5143\u7d20 System.out.println(element); \/\/ \u8f93\u51fa\uff1a3 [&hellip;]<\/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-39397","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39397","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=39397"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39397\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}