{"id":66687,"date":"2025-05-03T13:48:12","date_gmt":"2025-05-03T05:48:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66687\/"},"modified":"2025-05-03T13:48:12","modified_gmt":"2025-05-03T05:48:12","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e6%95%b4%e5%bd%a2%e6%95%b0%e7%bb%84%e7%9a%84%e9%95%bf%e5%ba%a6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66687\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5b9a\u4e49 java \u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u9700\uff1a1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1b2. \u521d\u59cb\u5316\u6570\u7ec4\uff0c\u6307\u5b9a\u957f\u5ea6\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\uff1aint[] myarray = new int[5];\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111613242616596.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9a\u4e49\u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9a\u4e49\u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5b9a\u4e49 Java \u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n<p><strong>\u8981\u5b9a\u4e49 Java \u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a<\/strong>`java<br \/> int[] myArray;<\/p>\n<\/li>\n<li>\n<p><strong>\u521d\u59cb\u5316\u6570\u7ec4\uff1a<\/strong>`java<br \/> myArray = new int[length];<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<\/li>\n<\/ol>\n<p>\u5176\u4e2d\uff0c<strong>length<\/strong> \u662f\u8981\u5b9a\u4e49\u7684\u6570\u7ec4\u957f\u5ea6\u3002<\/p>\n<p><strong>\u4f8b\u5982\uff1a<\/strong><\/p>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u5f62\u6570\u7ec4\uff1a`java<\/p>\n<pre>int[] myArray = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<pre>\n**\u6ce8\u610f\u4e8b\u9879\uff1a**\n\n* \u6570\u7ec4\u957f\u5ea6\u5fc5\u987b\u662f\u4e00\u4e2a\u6574\u6570\u3002\n* \u6570\u7ec4\u957f\u5ea6\u662f\u4e00\u4e2a\u5e38\u91cf\uff0c\u4e00\u65e6\u521d\u59cb\u5316\u5c31\u4e0d\u80fd\u6539\u53d8\u3002\n* \u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u957f\u5ea6\u4e3a n \u7684\u6570\u7ec4\u5177\u6709\u7d22\u5f15\u8303\u56f4 [0, n-1]\u3002\n\n**\u6570\u7ec4\u5143\u7d20\u8bbf\u95ee\uff1a**\n\n\u8981\u8bbf\u95ee\u7279\u5b9a\u7d22\u5f15\u7684\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u7b26\u53f7 ([])\uff1a```java\n  myArray[index] = value;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0c<strong>index<\/strong> \u662f\u8981\u8bbf\u95ee\u5143\u7d20\u7684\u7d22\u5f15\uff0c<strong>value<\/strong> \u662f\u8981\u8d4b\u4e88\u5143\u7d20\u7684\u503c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u5b9a\u4e49 java \u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u9700\uff1a1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1b2. \u521d\u59cb\u5316\u6570\u7ec4\uff0c\u6307\u5b9a\u957f\u5ea6\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\uff1aint[] myarray = new int[5]; \u5982\u4f55\u5b9a\u4e49 Java \u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6 \u8981\u5b9a\u4e49 Java \u6574\u5f62\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a`java int[] myArray; \u521d\u59cb\u5316\u6570\u7ec4\uff1a`java myArray = new int[length]; \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5176\u4e2d\uff0clength \u662f\u8981\u5b9a\u4e49\u7684\u6570\u7ec4\u957f\u5ea6\u3002 \u4f8b\u5982\uff1a \u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u5f62\u6570\u7ec4\uff1a`java int[] myArray = new int[5]; \u767b\u5f55\u540e\u590d\u5236 **\u6ce8\u610f\u4e8b\u9879\uff1a** * \u6570\u7ec4\u957f\u5ea6\u5fc5\u987b\u662f\u4e00\u4e2a\u6574\u6570\u3002 * \u6570\u7ec4\u957f\u5ea6\u662f\u4e00\u4e2a\u5e38\u91cf\uff0c\u4e00\u65e6\u521d\u59cb\u5316\u5c31\u4e0d\u80fd\u6539\u53d8\u3002 * \u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u957f\u5ea6\u4e3a n \u7684\u6570\u7ec4\u5177\u6709\u7d22\u5f15\u8303\u56f4 [0, n-1]\u3002 **\u6570\u7ec4\u5143\u7d20\u8bbf\u95ee\uff1a** \u8981\u8bbf\u95ee\u7279\u5b9a\u7d22\u5f15\u7684\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u7b26\u53f7 ([])\uff1a&#8220;`java myArray[index] [&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-66687","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66687","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=66687"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66687\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}