{"id":1188,"date":"2026-04-07T14:04:16","date_gmt":"2026-04-07T06:04:16","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1188"},"modified":"2026-04-07T14:04:17","modified_gmt":"2026-04-07T06:04:17","slug":"%e3%80%90java%e3%80%91java%e6%9e%84%e9%80%a0%e6%96%b9%e6%b3%95%ef%bc%9a%e5%af%b9%e8%b1%a1%e5%88%9d%e5%a7%8b%e5%8c%96%e7%9a%84%e6%a0%b8%e5%bf%83%e5%af%86%e7%a0%81","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1188","title":{"rendered":"\u3010Java\u3011Java\u6784\u9020\u65b9\u6cd5\uff1a\u5bf9\u8c61\u521d\u59cb\u5316\u7684\u6838\u5fc3\u5bc6\u7801"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u4eca\u5929\u60f3\u548c\u5927\u5bb6\u6df1\u5165\u804a\u804a Java \u4e2d\u5bf9\u8c61\u521d\u59cb\u5316\u7684\u6838\u5fc3 \u2014\u2014 \u6784\u9020\u65b9\u6cd5\uff08Constructor\uff09\u3002\u4f5c\u4e3a\u540e\u7aef\u5f00\u53d1\u4e2d\u9ad8\u9891\u4f7f\u7528\u7684\u57fa\u7840\u77e5\u8bc6\u70b9\uff0c\u5f88\u591a\u65b0\u624b\u670b\u53cb\u53ef\u80fd\u4f1a\u5728\u6784\u9020\u65b9\u6cd5\u7684\u89c4\u5219\u3001\u91cd\u8f7d\u3001\u4e0e\u666e\u901a\u65b9\u6cd5\u7684\u533a\u522b\u4e0a\u8e29\u5751\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c31\u5e26\u5927\u5bb6\u4ece\u6982\u5ff5\u5230\u5b9e\u6218\uff0c\u5f7b\u5e95\u641e\u61c2\u6784\u9020\u65b9\u6cd5\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4ec0\u4e48\u662f\u6784\u9020\u65b9\u6cd5\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6784\u9020\u65b9\u6cd5\u662f Java \u4e2d\u4e00\u79cd\u7279\u6b8a\u7684\u65b9\u6cd5\uff0c<strong>\u6838\u5fc3\u4f5c\u7528\u662f\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u521d\u59cb\u5316\u5bf9\u8c61\u72b6\u6001<\/strong>\u3002\u53ea\u8981\u6211\u4eec\u7528<code>new<\/code>\u5173\u952e\u5b57\u521b\u5efa\u5bf9\u8c61\uff0c\u6784\u9020\u65b9\u6cd5\u5c31\u4f1a\u88ab\u9690\u5f0f\u8c03\u7528\u4e00\u6b21\u3002\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u521b\u5efaUser\u5bf9\u8c61\u65f6\uff0c\u4f1a\u81ea\u52a8\u8c03\u7528User\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\nUser user = new User();\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u6709\u4e2a\u5173\u952e\u77e5\u8bc6\u70b9\uff1a\u5982\u679c\u6211\u4eec\u6ca1\u6709\u5728\u7c7b\u4e2d\u663e\u5f0f\u5b9a\u4e49\u4efb\u4f55\u6784\u9020\u65b9\u6cd5\uff0cJava \u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u7684\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u9ed8\u8ba4\u6784\u9020\u65b9\u6cd5\u6ca1\u6709\u53c2\u6570\uff0c\u4e5f\u6ca1\u6709\u65b9\u6cd5\u4f53\uff0c\u76f8\u5f53\u4e8e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class User {\n    \/\/ \u7f16\u8bd1\u5668\u81ea\u52a8\u751f\u6210\u7684\u9ed8\u8ba4\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\n    public User() {}\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u521b\u5efa\u6784\u9020\u65b9\u6cd5\u7684\u6838\u5fc3\u89c4\u5219<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6784\u9020\u65b9\u6cd5\u7684\u8bed\u6cd5\u6709\u4e25\u683c\u8981\u6c42\uff0c\u8fdd\u53cd\u89c4\u5219\u4f1a\u76f4\u63a5\u7f16\u8bd1\u62a5\u9519\uff0c\u603b\u7ed3\u4e3a\u4ee5\u4e0b 3 \u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u65b9\u6cd5\u540d\u5fc5\u987b\u4e0e\u7c7b\u540d\u5b8c\u5168\u4e00\u81f4<\/strong>\uff1a\u5305\u62ec\u5927\u5c0f\u5199\uff0c\u6bd4\u5982<code>User<\/code>\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\u53ea\u80fd\u53eb<code>User()<\/code>\uff0c\u4e0d\u80fd\u53eb<code>user()<\/code>\u6216<code>Users()<\/code>\uff1b<\/li>\n\n\n\n<li><strong>\u6ca1\u6709\u8fd4\u56de\u7c7b\u578b<\/strong>\uff1a\u6ce8\u610f\u662f \u201c\u6ca1\u6709\u201d\uff0c\u4e0d\u662f\u5199<code>void<\/code>\u2014\u2014 \u5982\u679c\u5199\u4e86<code>void<\/code>\uff0cJava \u4f1a\u628a\u5b83\u5f53\u6210\u666e\u901a\u65b9\u6cd5\uff0c\u800c\u975e\u6784\u9020\u65b9\u6cd5\uff1b<\/li>\n\n\n\n<li><strong>\u4e0d\u80fd\u7528\u8fd9\u4e9b\u4fee\u9970\u7b26<\/strong>\uff1a<code>abstract<\/code>\u3001<code>static<\/code>\u3001<code>final<\/code>\u3001<code>synchronized<\/code>\uff0c\u539f\u56e0\u5f88\u7b80\u5355\uff1a\n<ul class=\"wp-block-list\">\n<li><code>abstract<\/code>\u8981\u6c42\u5b50\u7c7b\u5b9e\u73b0\uff0c\u4f46\u6784\u9020\u65b9\u6cd5\u4e0d\u80fd\u88ab\u7ee7\u627f\uff0c\u4fee\u9970\u65e0\u610f\u4e49\uff1b<\/li>\n\n\n\n<li><code>static<\/code>\u4fee\u9970\u7684\u662f\u7c7b\u7ea7\u522b\u7684\u6210\u5458\uff0c\u800c\u6784\u9020\u65b9\u6cd5\u662f\u521d\u59cb\u5316\u5bf9\u8c61\u7684\uff0c\u51b2\u7a81\uff1b<\/li>\n\n\n\n<li><code>final<\/code>\u7981\u6b62\u5b50\u7c7b\u91cd\u5199\uff0c\u540c\u6837\u56e0\u4e3a\u6784\u9020\u65b9\u6cd5\u4e0d\u80fd\u7ee7\u627f\uff0c\u4fee\u9970\u65e0\u6548\uff1b<\/li>\n\n\n\n<li>\u540c\u4e00\u5bf9\u8c61\u4e0d\u4f1a\u88ab\u591a\u7ebf\u7a0b\u540c\u65f6\u521b\u5efa\uff0c<code>synchronized<\/code>\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u7684\u4f5c\u7528\u65e0\u4ece\u8c08\u8d77\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u786e\u7684\u6784\u9020\u65b9\u6cd5\u8bed\u6cd5\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class User {\n    private String name;\n    private int age;\n\n    \/\/ \u65e0\u53c2\u6784\u9020\u65b9\u6cd5\n    public User() {\n        this.name = \"\u9ed8\u8ba4\u540d\u79f0\";\n        this.age = 18;\n    }\n\n    \/\/ \u6709\u53c2\u6784\u9020\u65b9\u6cd5\n    public User(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6784\u9020\u65b9\u6cd5\u7684\u5e38\u89c1\u7c7b\u578b\u4e0e\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u65e0\u53c2\u6784\u9020\u65b9\u6cd5\uff08\u9ed8\u8ba4\u6784\u9020\u65b9\u6cd5\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\u8981\u4e48\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u751f\u6210\uff0c\u8981\u4e48\u6211\u4eec\u663e\u5f0f\u5b9a\u4e49\u3002\u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u7ed9\u5bf9\u8c61\u5b57\u6bb5\u8d4b\u9ed8\u8ba4\u503c\uff0c\u6bd4\u5982\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c\u521b\u5efa\u5bf9\u8c61\u65f6\u5982\u679c\u4e0d\u4f20\u5165\u53c2\u6570\uff0c<code>name<\/code>\u4f1a\u9ed8\u8ba4\u662f \u201c\u9ed8\u8ba4\u540d\u79f0\u201d\uff0c<code>age<\/code>\u9ed8\u8ba4\u662f 18\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6ce8\u610f<\/strong>\uff1a\u5982\u679c\u6211\u4eec\u663e\u5f0f\u5b9a\u4e49\u4e86\u6709\u53c2\u6784\u9020\u65b9\u6cd5\uff0c\u7f16\u8bd1\u5668\u5c31\u4e0d\u4f1a\u518d\u81ea\u52a8\u751f\u6210\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\u4e86\u3002\u5982\u679c\u6b64\u65f6\u8fd8\u60f3\u4f7f\u7528\u65e0\u53c2\u6784\u9020\uff0c\u5fc5\u987b\u624b\u52a8\u663e\u5f0f\u5b9a\u4e49\uff0c\u5426\u5219\u4f1a\u7f16\u8bd1\u62a5\u9519\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6709\u53c2\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u53c2\u6784\u9020\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u76f4\u63a5\u4f20\u5165\u53c2\u6570\uff0c\u4e3a\u5bf9\u8c61\u5b57\u6bb5\u8d4b\u81ea\u5b9a\u4e49\u503c\uff0c\u907f\u514d\u521b\u5efa\u5bf9\u8c61\u540e\u8fd8\u8981\u901a\u8fc7<code>setter<\/code>\u65b9\u6cd5\u9010\u4e2a\u8d4b\u503c\uff0c\u66f4\u9ad8\u6548\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class User {\n    private String name;\n    private int age;\n\n    \/\/ \u6709\u53c2\u6784\u9020\u65b9\u6cd5\n    public User(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n\n    \/\/ getter\u65b9\u6cd5\uff08\u7528\u4e8e\u83b7\u53d6\u5b57\u6bb5\u503c\uff09\n    public String getName() {\n        return name;\n    }\n\n    public int getAge() {\n        return age;\n    }\n\n    public static void main(String&#91;] args) {\n        \/\/ \u901a\u8fc7\u6709\u53c2\u6784\u9020\u65b9\u6cd5\u521b\u5efa\u5bf9\u8c61\uff0c\u76f4\u63a5\u521d\u59cb\u5316\u5b57\u6bb5\n        User yunyang = new User(\"\u4e91\u626c\", 28);\n        System.out.println(\"\u59d3\u540d\uff1a\" + yunyang.getName() + \"\uff0c\u5e74\u9f84\uff1a\" + yunyang.getAge());\n        \/\/ \u8f93\u51fa\u7ed3\u679c\uff1a\u59d3\u540d\uff1a\u4e91\u626c\uff0c\u5e74\u9f84\uff1a28\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u91cd\u8f7d\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6784\u9020\u65b9\u6cd5\u652f\u6301\u91cd\u8f7d\uff08Overload\uff09\uff0c\u53ea\u8981\u53c2\u6570\u5217\u8868\u4e0d\u540c\uff08\u53c2\u6570\u4e2a\u6570\u3001\u7c7b\u578b\u3001\u987a\u5e8f\u4e0d\u540c\uff09\uff0c\u5c31\u53ef\u4ee5\u5b9a\u4e49\u591a\u4e2a\u6784\u9020\u65b9\u6cd5\uff0c\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u521b\u5efa\u5bf9\u8c61\u65f6\u4f20\u5165\u7684\u53c2\u6570\u81ea\u52a8\u5339\u914d\u5bf9\u5e94\u7684\u6784\u9020\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8f7d\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class User {\n    private String name;\n    private int age;\n    private String email;\n\n    \/\/ \u65e0\u53c2\u6784\u9020\n    public User() {\n        this.name = \"\u9ed8\u8ba4\u540d\u79f0\";\n        this.age = 18;\n        this.email = \"default@example.com\";\n    }\n\n    \/\/ \u5355\u53c2\u6570\u6784\u9020\uff08\u53ea\u4f20\u59d3\u540d\uff09\n    public User(String name) {\n        this.name = name;\n        this.age = 18; \/\/ \u5e74\u9f84\u9ed8\u8ba418\n        this.email = name + \"@example.com\"; \/\/ \u90ae\u7bb1\u6839\u636e\u59d3\u540d\u751f\u6210\n    }\n\n    \/\/ \u53cc\u53c2\u6570\u6784\u9020\uff08\u59d3\u540d+\u5e74\u9f84\uff09\n    public User(String name, int age) {\n        this.name = name;\n        this.age = age;\n        this.email = name + \"@example.com\";\n    }\n\n    \/\/ \u4e09\u53c2\u6570\u6784\u9020\uff08\u59d3\u540d+\u5e74\u9f84+\u90ae\u7bb1\uff09\n    public User(String name, int age, String email) {\n        this.name = name;\n        this.age = age;\n        this.email = email;\n    }\n\n    public static void main(String&#91;] args) {\n        User user1 = new User(); \/\/ \u8c03\u7528\u65e0\u53c2\u6784\u9020\n        User user2 = new User(\"\u5f20\u4e09\"); \/\/ \u8c03\u7528\u5355\u53c2\u6570\u6784\u9020\n        User user3 = new User(\"\u674e\u56db\", 30); \/\/ \u8c03\u7528\u53cc\u53c2\u6570\u6784\u9020\n        User user4 = new User(\"\u738b\u4e94\", 25, \"wangwu@example.com\"); \/\/ \u8c03\u7528\u4e09\u53c2\u6570\u6784\u9020\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u6784\u9020\u65b9\u6cd5\u4e0e\u666e\u901a\u65b9\u6cd5\u7684\u6838\u5fc3\u533a\u522b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u670b\u53cb\u4f1a\u628a\u6784\u9020\u65b9\u6cd5\u548c\u666e\u901a\u65b9\u6cd5\u6df7\u6dc6\uff0c\u8fd9\u91cc\u7528\u8868\u683c\u6e05\u6670\u5bf9\u6bd4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u7279\u6027<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u6784\u9020\u65b9\u6cd5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u666e\u901a\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u4f5c\u7528<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u521d\u59cb\u5316\u5bf9\u8c61\u5b57\u6bb5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u63cf\u8ff0\u5bf9\u8c61\u7684\u884c\u4e3a\uff08\u5b9e\u73b0\u5177\u4f53\u529f\u80fd\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u8fd4\u56de\u7c7b\u578b<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u65e0\uff08\u4e0d\u80fd\u5199 void\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5fc5\u987b\u6709\u8fd4\u56de\u7c7b\u578b\uff08void \u8868\u793a\u65e0\u8fd4\u56de\u503c\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u8c03\u7528\u65b9\u5f0f<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u9690\u5f0f\u8c03\u7528\uff08new \u5173\u952e\u5b57\u521b\u5efa\u5bf9\u8c61\u65f6\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u663e\u5f0f\u8c03\u7528\uff08\u5bf9\u8c61\u3002\u65b9\u6cd5\u540d ()\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u7f16\u8bd1\u5668\u9ed8\u8ba4\u63d0\u4f9b<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u65e0\u663e\u5f0f\u6784\u9020\u65f6\uff0c\u9ed8\u8ba4\u63d0\u4f9b\u65e0\u53c2\u6784\u9020<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e0d\u4f1a\u9ed8\u8ba4\u63d0\u4f9b<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u540d\u79f0\u8981\u6c42<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5fc5\u987b\u4e0e\u7c7b\u540d\u4e00\u81f4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53ef\u4efb\u610f\u547d\u540d\uff08\u7b26\u5408\u6807\u8bc6\u7b26\u89c4\u5219\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u5bf9\u6bd4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class User {\n    private String name;\n\n    \/\/ \u6784\u9020\u65b9\u6cd5\uff1a\u521d\u59cb\u5316name\n    public User(String name) {\n        this.name = name;\n    }\n\n    \/\/ \u666e\u901a\u65b9\u6cd5\uff1a\u6253\u5370\u6b22\u8fce\u4fe1\u606f\uff08\u63cf\u8ff0\u884c\u4e3a\uff09\n    public void sayHello() {\n        System.out.println(\"\u4f60\u597d\uff0c\u6211\u662f\" + this.name);\n    }\n\n    public static void main(String&#91;] args) {\n        User user = new User(\"\u4e91\u626c\"); \/\/ \u9690\u5f0f\u8c03\u7528\u6784\u9020\u65b9\u6cd5\n        user.sayHello(); \/\/ \u663e\u5f0f\u8c03\u7528\u666e\u901a\u65b9\u6cd5\uff0c\u8f93\u51fa\uff1a\u4f60\u597d\uff0c\u6211\u662f\u4e91\u626c\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u5b9e\u7528\u6280\u5de7\uff1a\u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u590d\u5236\u5bf9\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4e0e\u5df2\u6709\u5bf9\u8c61\u5b57\u6bb5\u503c\u5b8c\u5168\u76f8\u540c\u7684\u65b0\u5bf9\u8c61\uff0c\u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class User {\n    private String name;\n    private int age;\n\n    \/\/ \u666e\u901a\u6709\u53c2\u6784\u9020\n    public User(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n\n    \/\/ \u590d\u5236\u6784\u9020\u65b9\u6cd5\uff1a\u53c2\u6570\u4e3a\u5f53\u524d\u7c7b\u7684\u5bf9\u8c61\n    public User(User other) {\n        this.name = other.name; \/\/ \u590d\u5236other\u5bf9\u8c61\u7684name\n        this.age = other.age; \/\/ \u590d\u5236other\u5bf9\u8c61\u7684age\n    }\n\n    public static void main(String&#91;] args) {\n        User user1 = new User(\"\u4e91\u626c\", 28);\n        User user2 = new User(user1); \/\/ \u901a\u8fc7\u590d\u5236\u6784\u9020\u521b\u5efa\u65b0\u5bf9\u8c61\n        System.out.println(\"user2\u59d3\u540d\uff1a\" + user2.name + \"\uff0c\u5e74\u9f84\uff1a\" + user2.age);\n        \/\/ \u8f93\u51fa\u7ed3\u679c\u4e0euser1\u4e00\u81f4\uff1auser2\u59d3\u540d\uff1a\u4e91\u626c\uff0c\u5e74\u9f84\uff1a28\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u4e86\u6784\u9020\u65b9\u6cd5\uff0c\u590d\u5236\u5bf9\u8c61\u8fd8\u53ef\u4ee5\u901a\u8fc7<code>setter<\/code>\u65b9\u6cd5\u8d4b\u503c\u6216<code>Object.clone()<\/code>\u65b9\u6cd5\uff0c\u4f46\u6784\u9020\u65b9\u6cd5\u7684\u65b9\u5f0f\u6700\u76f4\u89c2\u3001\u6700\u6613\u7ef4\u62a4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u5c0f\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\u518d\u68b3\u7406\u51e0\u4e2a\u6838\u5fc3\u8981\u70b9\uff0c\u5e2e\u5927\u5bb6\u52a0\u6df1\u8bb0\u5fc6\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6784\u9020\u65b9\u6cd5\u662f\u5bf9\u8c61\u521d\u59cb\u5316\u7684\u5165\u53e3\uff0c<code>new<\/code>\u5bf9\u8c61\u65f6\u5fc5\u8c03\u7528\uff1b<\/li>\n\n\n\n<li>\u65e0\u663e\u5f0f\u6784\u9020\u65f6\uff0c\u7f16\u8bd1\u5668\u9ed8\u8ba4\u63d0\u4f9b\u65e0\u53c2\u6784\u9020\uff1b\u663e\u5f0f\u5b9a\u4e49\u6709\u53c2\u6784\u9020\u540e\uff0c\u9700\u624b\u52a8\u52a0\u65e0\u53c2\u6784\u9020\uff08\u5426\u5219\u62a5\u9519\uff09\uff1b<\/li>\n\n\n\n<li>\u6784\u9020\u65b9\u6cd5\u652f\u6301\u91cd\u8f7d\uff0c\u6309\u53c2\u6570\u5217\u8868\u5339\u914d\u8c03\u7528\uff1b<\/li>\n\n\n\n<li>\u6784\u9020\u65b9\u6cd5\u6ca1\u6709\u8fd4\u56de\u7c7b\u578b\uff0c\u4f46\u672c\u8d28\u662f\u8fd4\u56de\u4e86\u5f53\u524d\u7c7b\u7684\u5bf9\u8c61\uff1b<\/li>\n\n\n\n<li>\u9664\u4e86\u521d\u59cb\u5316\u5b57\u6bb5\uff0c\u6784\u9020\u65b9\u6cd5\u8fd8\u80fd\u505a\u66f4\u591a\u4e8b\uff08\u6bd4\u5982\u542f\u52a8\u7ebf\u7a0b\u3001\u8c03\u7528\u5176\u4ed6\u65b9\u6cd5\u7b49\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u5927\u5bb6\u5f7b\u5e95\u641e\u61c2 Java \u6784\u9020\u65b9\u6cd5\uff5e \u5982\u679c\u4f60\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u9047\u5230\u8fc7\u6784\u9020\u65b9\u6cd5\u7684\u5751\uff0c\u6216\u8005\u6709\u5176\u4ed6\u7591\u95ee\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u4ea4\u6d41\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u4eca\u5929\u60f3\u548c\u5927\u5bb6\u6df1\u5165\u804a\u804a Java \u4e2d\u5bf9\u8c61\u521d\u59cb\u5316\u7684\u6838\u5fc3 \u2014\u2014 \u6784\u9020\u65b9\u6cd5\uff08Constructor<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1188\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":1314,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[15],"class_list":["post-1188","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1188"}],"version-history":[{"count":2,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1188\/revisions"}],"predecessor-version":[{"id":1190,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1188\/revisions\/1190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1314"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}