{"id":66576,"date":"2025-05-03T09:38:37","date_gmt":"2025-05-03T01:38:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66576\/"},"modified":"2025-05-03T09:38:37","modified_gmt":"2025-05-03T01:38:37","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e7%b1%bb%e8%b5%8b%e7%bb%99%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66576\/","title":{"rendered":"java\u600e\u4e48\u628a\u7c7b\u8d4b\u7ed9\u6570\u7ec4\u5bf9\u8c61"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5c06\u7c7b\u5bf9\u8c61\u8d4b\u503c\u7ed9\u6570\u7ec4\u5bf9\u8c61\u9700\u6309\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a1. \u58f0\u660e\u6570\u7ec4\uff1b2. \u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff1b3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111606460758011.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u7c7b\u8d4b\u7ed9\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u7c7b\u8d4b\u7ed9\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u5c06\u7c7b\u8d4b\u503c\u7ed9\u6570\u7ec4\u5bf9\u8c61<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u5f53\u9700\u8981\u5c06\u7c7b\u5bf9\u8c61\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4\uff1a<\/strong><br \/>\u9996\u5148\uff0c\u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3\u7c7b\u5bf9\u8c61\u7684\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>ClassName[] arrayName;<\/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>ClassName \u662f\u8981\u5b58\u50a8\u7684\u7c7b\u7684\u540d\u79f0\u3002<\/li>\n<li>arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n<p><strong>2. \u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff1a<\/strong><br \/>\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>arrayName = new ClassName[size];<\/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>size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u8868\u793a\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u6570\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><br \/>\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5c06\u7c7b\u5bf9\u8c61\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>arrayName[index] = object;<\/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>index \u662f\u8981\u8d4b\u503c\u7684\u6570\u7ec4\u7d22\u5f15\u3002<\/li>\n<li>object \u662f\u8981\u8d4b\u7ed9\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u5c06 Person \u7c7b\u7684\u5bf9\u8c61\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff1a<\/p>\n<pre>public class Main {\n    public static void main(String[] args) {\n        Person[] people = new Person[3];\n\n        people[0] = new Person(\"John\", 25);\n        people[1] = new Person(\"Mary\", 30);\n        people[2] = new Person(\"Bob\", 35);\n    }\n}\n\nclass Person {\n    private String name;\n    private int age;\n\n    public Person(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u7c7b\u8d4b\u7ed9\u6570\u7ec4\u5bf9\u8c61\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>\u5728 java \u4e2d\uff0c\u5c06\u7c7b\u5bf9\u8c61\u8d4b\u503c\u7ed9\u6570\u7ec4\u5bf9\u8c61\u9700\u6309\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a1. \u58f0\u660e\u6570\u7ec4\uff1b2. \u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff1b3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5c06\u7c7b\u8d4b\u503c\u7ed9\u6570\u7ec4\u5bf9\u8c61 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u5f53\u9700\u8981\u5c06\u7c7b\u5bf9\u8c61\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4\uff1a\u9996\u5148\uff0c\u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3\u7c7b\u5bf9\u8c61\u7684\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a ClassName[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b ClassName \u662f\u8981\u5b58\u50a8\u7684\u7c7b\u7684\u540d\u79f0\u3002 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 2. \u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a arrayName = new ClassName[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u8868\u793a\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u6570\u91cf\u3002 3. \u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5c06\u7c7b\u5bf9\u8c61\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a arrayName[index] = object; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b index \u662f\u8981\u8d4b\u503c\u7684\u6570\u7ec4\u7d22\u5f15\u3002 object \u662f\u8981\u8d4b\u7ed9\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u5bf9\u8c61\u3002 \u793a\u4f8b\uff1a \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u5c06 Person \u7c7b\u7684\u5bf9\u8c61\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff1a public class Main [&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-66576","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66576","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=66576"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66576\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}