{"id":1146,"date":"2026-03-30T16:46:13","date_gmt":"2026-03-30T08:46:13","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1146"},"modified":"2026-03-30T16:46:15","modified_gmt":"2026-03-30T08:46:15","slug":"%e3%80%90java%e3%80%91java%e5%85%a5%e9%97%a8%e5%bf%85%e6%87%82%ef%bc%9a%e7%b1%bb%e5%92%8c%e5%af%b9%e8%b1%a1%e7%9a%84%e6%a0%b8%e5%bf%83%e5%8e%9f%e7%90%86%e4%b8%8e%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1146","title":{"rendered":"\u3010Java\u3011Java\u5165\u95e8\u5fc5\u61c2\uff1a\u7c7b\u548c\u5bf9\u8c61\u7684\u6838\u5fc3\u539f\u7406\u4e0e\u5b9e\u6218"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u54c8\u55bd\u5c0f\u4f19\u4f34\u4eec\uff5e \u4eca\u5929\u804a\u804a Java \u7684\u7075\u9b42\uff1a\u7c7b\u548c\u5bf9\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7684\u6838\u5fc3\uff0c\u7c7b\u548c\u5bf9\u8c61\u662f Java \u4e00\u5207\u529f\u80fd\u7684\u57fa\u7840\u3002\u5f88\u591a\u65b0\u624b\u5165\u95e8\u65f6\u4f1a\u6df7\u6dc6\u6982\u5ff5\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c31\u7528\u901a\u4fd7\u7684\u8bed\u8a00 + \u5b9e\u6218\u4ee3\u7801\uff0c\u5e26\u4f60\u5403\u900f\u8fd9\u4e9b\u6838\u5fc3\u77e5\u8bc6\u70b9\uff5e<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u5148\u641e\u61c2\uff1a\u9762\u5411\u8fc7\u7a0b vs \u9762\u5411\u5bf9\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u54b1\u4eec\u5148\u4ece\u601d\u60f3\u4e0a\u533a\u5206\u4e24\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u7528\u300c\u505a\u996d\u300d\u4e3e\u4f8b\u6700\u76f4\u89c2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9762\u5411\u8fc7\u7a0b<\/strong>\uff1a\u6309\u6b65\u9aa4\u6267\u884c \u2192 \u4e70\u83dc\u2192\u6d17\u83dc\u2192\u5207\u83dc\u2192\u7092\u83dc\u2192\u6d17\u7897\uff08\u4e00\u6b65\u4e0d\u843d\u81ea\u5df1\u5e72\uff09<\/li>\n\n\n\n<li><strong>\u9762\u5411\u5bf9\u8c61<\/strong>\uff1a\u6a21\u5757\u5316\u5206\u5de5 \u2192 \u4e70\u83dc\u5de5\uff08\u8d1f\u8d23\u91c7\u8d2d\uff09\u3001\u53a8\u5e08\uff08\u8d1f\u8d23\u70f9\u996a\uff09\u3001\u6d17\u7897\u5de5\uff08\u8d1f\u8d23\u6e05\u6d01\uff09\uff08\u5404\u53f8\u5176\u804c\uff0c\u8c03\u7528\u5373\u53ef\uff09<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6572\u9ed1\u677f\uff1a\u9762\u5411\u5bf9\u8c61\u7684\u5e95\u5c42\u8fd8\u662f\u9762\u5411\u8fc7\u7a0b\uff0c\u4f46\u901a\u8fc7\u62bd\u8c61\u5c01\u88c5\uff0c\u8ba9\u4ee3\u7801\u66f4\u6613\u7ef4\u62a4\u3001\u53ef\u590d\u7528\uff5e<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u7c7b\uff1a\u5bf9\u8c61\u7684 &#8220;\u6a21\u677f\u8bf4\u660e\u4e66&#8221;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c7b\u662f\u5bf9\u73b0\u5b9e\u4e8b\u7269\u7684\u62bd\u8c61\u63cf\u8ff0\uff0c\u5305\u542b\u300c\u5c5e\u6027\uff08\u5b57\u6bb5\uff09\u300d\u548c\u300c\u884c\u4e3a\uff08\u65b9\u6cd5\uff09\u300d\uff0c\u8fd8\u85cf\u7740\u4e00\u4e2a\u7279\u6b8a\u7684\u300c\u6784\u9020\u65b9\u6cd5\u300d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9e\u6218\u4ee3\u7801\uff1a\u5b9a\u4e49\u4e00\u4e2a Person \u7c7b<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class Person {\n    \/\/ 1. \u5b57\u6bb5\uff08\u6210\u5458\u53d8\u91cf\uff1a\u7c7b\u5185\u90e8+\u65b9\u6cd5\u5916\u90e8\uff09\n    String name; \/\/ \u59d3\u540d\n    int age;     \/\/ \u5e74\u9f84\n    private String idCard; \/\/ \u79c1\u6709\u5b57\u6bb5\uff08\u4ec5\u7c7b\u5185\u90e8\u8bbf\u95ee\uff09\n\n    \/\/ 2. \u6784\u9020\u65b9\u6cd5\uff08\u65e0\u53c2\u9ed8\u8ba4\u6784\u9020\uff1a\u53ef\u7f3a\u7701\uff09\n    public Person() {}\n\n    \/\/ \u5e26\u53c2\u6784\u9020\u65b9\u6cd5\uff08\u7528\u4e8e\u521d\u59cb\u5316\u5bf9\u8c61\uff09\n    public Person(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n\n    \/\/ 3. \u666e\u901a\u65b9\u6cd5\uff08\u884c\u4e3a\uff09\n    public void sayHello() {\n        String greeting = \"Hi\uff5e\"; \/\/ \u4e34\u65f6\u53d8\u91cf\uff1a\u65b9\u6cd5\u5185\u90e8\n        System.out.println(greeting + \"\u6211\u662f\" + name + \"\uff0c\u4eca\u5e74\" + age + \"\u5c81\");\n    }\n\n    \/\/ \u8bbf\u95ee\u79c1\u6709\u5b57\u6bb5\u7684getter\u65b9\u6cd5\n    public String getIdCard() {\n        return idCard;\n    }\n}\n<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5173\u952e\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6210\u5458\u53d8\u91cf vs \u4e34\u65f6\u53d8\u91cf\uff1a\u524d\u8005\u5c5e\u4e8e\u5bf9\u8c61\uff0c\u540e\u8005\u4ec5\u5728\u65b9\u6cd5\u6267\u884c\u65f6\u5b58\u5728<\/li>\n\n\n\n<li>\u6784\u9020\u65b9\u6cd5\u540d\u5fc5\u987b\u548c\u7c7b\u540d\u4e00\u81f4\uff0c\u65e0\u8fd4\u56de\u503c<\/li>\n\n\n\n<li>\u82e5\u672a\u5b9a\u4e49\u6784\u9020\u65b9\u6cd5\uff0cJava \u4f1a\u81ea\u52a8\u751f\u6210\u65e0\u53c2\u9ed8\u8ba4\u6784\u9020<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001new \u4e00\u4e2a\u5bf9\u8c61\uff1a\u4ece\u6a21\u677f\u5230\u5b9e\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e86\u7c7b\u6a21\u677f\uff0c\u5c31\u53ef\u4ee5\u7528<code>new<\/code>\u5173\u952e\u5b57\u521b\u5efa\u5bf9\u8c61\uff08\u5806\u5185\u5b58\u5206\u914d\u7a7a\u95f4\uff09\uff0c\u8fd8\u9700\u8981<code>main()<\/code>\u65b9\u6cd5\u4f5c\u4e3a\u7a0b\u5e8f\u5165\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9e\u6218\u4ee3\u7801\uff1a\u521b\u5efa\u548c\u4f7f\u7528 Person \u5bf9\u8c61<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class TestPerson {\n    public static void main(String&#91;] args) {\n        \/\/ \u65b9\u5f0f1\uff1a\u65e0\u53c2\u6784\u9020\u521b\u5efa\u5bf9\u8c61\n        Person person1 = new Person();\n        \/\/ \u65b9\u5f0f2\uff1a\u5e26\u53c2\u6784\u9020\u521b\u5efa\u5bf9\u8c61\n        Person person2 = new Person(\"\u4e91\u626c\", 28);\n\n        \/\/ \u8c03\u7528\u5bf9\u8c61\u65b9\u6cd5\n        person2.sayHello(); \/\/ \u8f93\u51fa\uff1aHi\uff5e\u6211\u662f\u4e91\u626c\uff0c\u4eca\u5e7428\u5c81\n\n        \/\/ \u533f\u540d\u5bf9\u8c61\uff08\u65e0\u5f15\u7528\u53d8\u91cf\uff0c\u4ec5\u4f7f\u7528\u4e00\u6b21\uff09\n        new Person(\"\u533f\u540d\u7528\u6237\", 0).sayHello();\n    }\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5bf9\u8c61\u521d\u59cb\u5316\uff1a3 \u79cd\u5e38\u7528\u65b9\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u5bf9\u8c61\u540e\uff0c\u7ed9\u5b57\u6bb5\u8d4b\u503c\uff08\u521d\u59cb\u5316\uff09\u6709 3 \u79cd\u7ecf\u5178\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class InitDemo {\n    public static void main(String&#91;] args) {\n        \/\/ \u65b9\u5f0f1\uff1a\u76f4\u63a5\u901a\u8fc7\u5f15\u7528\u53d8\u91cf\u8d4b\u503c\n        Person p1 = new Person();\n        p1.name = \"\u5f20\u4e09\";\n        p1.age = 25;\n\n        \/\/ \u65b9\u5f0f2\uff1a\u901a\u8fc7\u65b9\u6cd5\u521d\u59cb\u5316\n        Person p2 = new Person();\n        p2.setInfo(\"\u674e\u56db\", 30); \/\/ \u9700\u5728Person\u7c7b\u4e2d\u6dfb\u52a0setInfo\u65b9\u6cd5\n\n        \/\/ \u65b9\u5f0f3\uff1a\u901a\u8fc7\u5e26\u53c2\u6784\u9020\u65b9\u6cd5\uff08\u6700\u5e38\u7528\uff09\n        Person p3 = new Person(\"\u738b\u4e94\", 35);\n    }\n}\n\n\/\/ \u8865\u5145setInfo\u65b9\u6cd5\u5230Person\u7c7b\npublic void setInfo(String name, int age) {\n    this.name = name;\n    this.age = age;\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001Object \u7c7b\uff1a\u6240\u6709\u7c7b\u7684 &#8220;\u8001\u7956\u5b97&#8221;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Java \u4e2d\u6240\u6709\u7c7b\u90fd\u9ed8\u8ba4\u7ee7\u627f<code>Object<\/code>\u7c7b\uff0c\u5b83\u63d0\u4f9b\u4e86 11 \u4e2a\u6838\u5fc3\u65b9\u6cd5\uff0c\u54b1\u4eec\u91cd\u70b9\u638c\u63e1\u6700\u5e38\u7528\u7684 5 \u4e2a\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. equals () + hashCode ()\uff1a\u5bf9\u8c61\u6bd4\u8f83\u7684\u9ec4\u91d1\u6cd5\u5219<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>@Override\npublic boolean equals(Object o) {\n    \/\/ 1. \u5730\u5740\u76f8\u540c\u76f4\u63a5\u8fd4\u56detrue\n    if (this == o) return true;\n    \/\/ 2. \u5bf9\u8c61\u4e3anull\u6216\u7c7b\u4e0d\u540c\u8fd4\u56defalse\n    if (o == null || getClass() != o.getClass()) return false;\n    \/\/ 3. \u6bd4\u8f83\u5c5e\u6027\u503c\n    Person person = (Person) o;\n    return age == person.age &amp;&amp; Objects.equals(name, person.name);\n}\n\n@Override\npublic int hashCode() {\n    \/\/ \u7528Objects.hash()\u751f\u6210\u54c8\u5e0c\u7801\uff08\u907f\u514d\u624b\u52a8\u8ba1\u7b97\uff09\n    return Objects.hash(name, age);\n}\n<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7ea6\u5b9a\uff1a\u91cd\u5199 equals () \u5fc5\u987b\u91cd\u5199 hashCode ()\uff0c\u5426\u5219 HashMap \u7b49\u96c6\u5408\u4f1a\u51fa\u95ee\u9898\uff01<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">2. toString ()\uff1a\u8ba9\u5bf9\u8c61 &#8220;\u81ea\u6211\u4ecb\u7ecd&#8221;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ed8\u8ba4\u5b9e\u73b0\u662f<code>\u7c7b\u540d@\u54c8\u5e0c\u7801<\/code>\uff0c\u91cd\u5199\u540e\u66f4\u6709\u610f\u4e49\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Override\npublic String toString() {\n    return \"Person{name='\" + name + \"', age=\" + age + \"}\";\n}\n\n\/\/ \u4f7f\u7528\uff1aSystem.out.println(person2); \n\/\/ \u8f93\u51fa\uff1aPerson{name='\u4e91\u626c', age=28}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. clone ()\uff1a\u5bf9\u8c61\u62f7\u8d1d\uff08\u9700\u5b9e\u73b0 Cloneable \u63a5\u53e3\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>public class Person implements Cloneable {\n    \/\/ \u5176\u4ed6\u4ee3\u7801\u4e0d\u53d8...\n\n    @Override\n    protected Object clone() throws CloneNotSupportedException {\n        return super.clone(); \/\/ \u6d45\u62f7\u8d1d\n    }\n\n    \/\/ \u6d4b\u8bd5\u62f7\u8d1d\n    public static void main(String&#91;] args) throws CloneNotSupportedException {\n        Person p = new Person(\"\u5f20\u4e09\", 25);\n        Person pClone = (Person) p.clone();\n        System.out.println(pClone.name); \/\/ \u8f93\u51fa\uff1a\u5f20\u4e09\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. wait () + notify ()\uff1a\u7ebf\u7a0b\u534f\u4f5c\uff08\u7b80\u5355\u793a\u4f8b\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>public class ThreadDemo {\n    public static void main(String&#91;] args) throws InterruptedException {\n        Object lock = new Object();\n\n        new Thread(() -&gt; {\n            synchronized (lock) {\n                try {\n                    System.out.println(\"\u7ebf\u7a0b1\u7b49\u5f85...\");\n                    lock.wait(); \/\/ \u91ca\u653e\u9501\u5e76\u7b49\u5f85\n                    System.out.println(\"\u7ebf\u7a0b1\u88ab\u5524\u9192\uff01\");\n                } catch (InterruptedException e) {\n                    e.printStackTrace();\n                }\n            }\n        }).start();\n\n        Thread.sleep(1000);\n        synchronized (lock) {\n            lock.notify(); \/\/ \u5524\u9192\u7b49\u5f85\u7684\u7ebf\u7a0b\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u5bf9\u8c61\u7684\u5173\u952e\u7279\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u8bbf\u95ee\u6743\u9650\u4fee\u9970\u7b26\uff08\u4fdd\u62a4\u6570\u636e\u5b89\u5168\uff09<\/h3>\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\">\u4fee\u9970\u7b26<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7c7b\u5185\u90e8<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u540c\u5305<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5b50\u7c7b<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5168\u5c40<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">public<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">protected<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">default<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">private<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7ec4\u5408\uff08has-a \u5173\u7cfb\uff09\uff1a\u590d\u7528\u5df2\u6709\u7c7b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5f15\u64ce\u7c7b\nclass Engine {\n    public void start() {\n        System.out.println(\"\u53d1\u52a8\u673a\u542f\u52a8\");\n    }\n}\n\n\/\/ \u6c7d\u8f66\u7c7b\uff08\u7ec4\u5408\u5f15\u64ce\uff09\nclass Car {\n    private Engine engine = new Engine(); \/\/ \u7ec4\u5408\u5173\u7cfb\n\n    public void startCar() {\n        engine.start(); \/\/ \u8c03\u7528\u5f15\u64ce\u7684\u65b9\u6cd5\n        System.out.println(\"\u6c7d\u8f66\u542f\u52a8\u6210\u529f\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u7ee7\u627f\uff08is-a \u5173\u7cfb\uff09\uff1a\u6269\u5c55\u7c7b\u529f\u80fd<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5b66\u751f\u7c7b\u7ee7\u627fPerson\u7c7b\nclass Student extends Person {\n    String studentId; \/\/ \u65b0\u589e\u5b57\u6bb5\n\n    \/\/ \u91cd\u5199\u7236\u7c7b\u65b9\u6cd5\n    @Override\n    public void sayHello() {\n        System.out.println(\"\u6211\u662f\u5b66\u751f\" + name + \"\uff0c\u5b66\u53f7\uff1a\" + studentId);\n    }\n\n    \/\/ \u65b0\u589e\u65b9\u6cd5\n    public void study() {\n        System.out.println(\"\u6b63\u5728\u5b66\u4e60Java\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u591a\u6001\uff1a\u7236\u7c7b\u5f15\u7528\u6307\u5411\u5b50\u7c7b\u5bf9\u8c61<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>public static void main(String&#91;] args) {\n    Person student = new Student(); \/\/ \u591a\u6001\u4f53\u73b0\n    student.name = \"\u674e\u56db\";\n    student.sayHello(); \/\/ \u8c03\u7528\u5b50\u7c7b\u91cd\u5199\u7684\u65b9\u6cd5\n    \/\/ student.study(); \/\/ \u62a5\u9519\uff1a\u7236\u7c7b\u5f15\u7528\u65e0\u6cd5\u8c03\u7528\u5b50\u7c7b\u65b0\u589e\u65b9\u6cd5\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c7b\u662f\u5bf9\u8c61\u7684\u6a21\u677f\uff0c\u5bf9\u8c61\u662f\u7c7b\u7684\u5b9e\u4f8b\uff0c\u8fd9\u662f Java OOP \u7684\u6838\u5fc3\u601d\u60f3\u3002\u91cd\u70b9\u638c\u63e1\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7c7b\u7684\u7ed3\u6784\uff08\u5b57\u6bb5\u3001\u65b9\u6cd5\u3001\u6784\u9020\u65b9\u6cd5\uff09<\/li>\n\n\n\n<li>\u5bf9\u8c61\u7684\u521b\u5efa\u4e0e\u521d\u59cb\u5316\u65b9\u5f0f<\/li>\n\n\n\n<li>Object \u7c7b\u7684\u6838\u5fc3\u65b9\u6cd5\uff08equals\u3001hashCode\u3001toString \u7b49\uff09<\/li>\n\n\n\n<li>\u8bbf\u95ee\u6743\u9650\u3001\u7ec4\u5408\u3001\u7ee7\u627f\u3001\u591a\u6001\u7684\u5e94\u7528\u573a\u666f<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u5927\u5bb6\u591a\u6572\u4ee3\u7801\u5b9e\u8df5\uff0c\u6bd4\u5982\u7528\u4eca\u5929\u7684\u4f8b\u5b50\u6269\u5c55\u4e00\u4e2a\u300c\u5458\u5de5\u7ba1\u7406\u7cfb\u7edf\u300d\uff0c\u628a\u8fd9\u4e9b\u77e5\u8bc6\u70b9\u4e32\u8054\u8d77\u6765\uff5e \u6709\u7591\u95ee\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u4ea4\u6d41\u5440\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u54c8\u55bd\u5c0f\u4f19\u4f34\u4eec\uff5e \u4eca\u5929\u804a\u804a Java \u7684\u7075\u9b42\uff1a\u7c7b\u548c\u5bf9\u8c61 \u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7684\u6838\u5fc3\uff0c\u7c7b\u548c\u5bf9\u8c61\u662f Java <\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1146\" 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":1148,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[15],"class_list":["post-1146","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\/1146","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=1146"}],"version-history":[{"count":3,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1146\/revisions"}],"predecessor-version":[{"id":1221,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1146\/revisions\/1221"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1148"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}