{"id":255,"date":"2026-07-17T13:29:04","date_gmt":"2026-07-17T05:29:04","guid":{"rendered":"http:\/\/ssjava.xyz\/?p=255"},"modified":"2026-07-17T11:24:26","modified_gmt":"2026-07-17T03:24:26","slug":"14-%e7%bb%a7%e6%89%bf%e8%bf%9b%e9%98%b6%ef%bc%9asuper-%e5%85%b3%e9%94%ae%e5%ad%97%e4%b8%8e%e6%9e%84%e9%80%a0%e5%99%a8%e9%93%be","status":"publish","type":"post","link":"https:\/\/ssjava.xyz\/index.php\/2026\/07\/17\/14-%e7%bb%a7%e6%89%bf%e8%bf%9b%e9%98%b6%ef%bc%9asuper-%e5%85%b3%e9%94%ae%e5%ad%97%e4%b8%8e%e6%9e%84%e9%80%a0%e5%99%a8%e9%93%be\/","title":{"rendered":"14. \u7ee7\u627f\u8fdb\u9636\uff1asuper \u5173\u952e\u5b57\u4e0e\u6784\u9020\u5668\u94fe"},"content":{"rendered":"\n

14. \u7ee7\u627f\u8fdb\u9636\uff1asuper \u5173\u952e\u5b57\u4e0e\u6784\u9020\u5668\u94fe<\/h2>\n\n\n\n

\u4e0a\u4e00\u7bc7\u6587\u7ae0\u6211\u4eec\u8ba4\u8bc6\u4e86\u7ee7\u627f\u7684\u57fa\u672c\u6982\u5ff5\uff1a\u7528 extends<\/code> \u5efa\u7acb\u7236\u5b50\u7c7b\u5173\u7cfb\uff0c\u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\u7684\u6210\u5458\uff0c\u5b9e\u73b0\u4ee3\u7801\u590d\u7528\u3002\u4f46\u6709\u4e2a\u7ec6\u8282\u4f60\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230\u4e86\u2014\u2014\u5f53\u6211\u4eec\u521b\u5efa\u5b50\u7c7b\u5bf9\u8c61\u65f6\uff0c\u7236\u7c7b\u7684\u6784\u9020\u5668\u4f3c\u4e4e\u4e5f\u88ab\u89e6\u53d1\u4e86\uff1f\u5b50\u7c7b\u80fd\u4e0d\u80fd\u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u5668\uff1f\u5982\u679c\u7236\u5b50\u7c7b\u6709\u540c\u540d\u6210\u5458\uff0c\u5b50\u7c7b\u600e\u4e48\u660e\u786e\u5730\u8bbf\u95ee\u7236\u7c7b\u7684\u7248\u672c\uff1f<\/p>\n\n\n\n

\u8fd9\u4e00\u7bc7\u5c31\u6765\u6df1\u5165\u8fd9\u4e9b”\u8fdb\u9636”\u95ee\u9898\uff0c\u6838\u5fc3\u5c31\u662f\u4e09\u4e2a\u5b57\u2014\u2014super<\/strong>\u3002<\/p>\n\n\n\n

\u4e00\u3001super \u662f\u4ec0\u4e48\uff1f<\/h3>\n\n\n\n

super<\/code> \u662f Java \u63d0\u4f9b\u7684\u4e00\u4e2a\u5173\u952e\u5b57\uff0c\u7528\u6765\u5f15\u7528\u5f53\u524d\u5bf9\u8c61\u7684\u76f4\u63a5\u7236\u7c7b<\/strong>\u90e8\u5206\u3002\u5b83\u6709\u4e24\u4e2a\u4e3b\u8981\u7528\u9014\uff1a<\/p>\n\n\n\n

    \n
  • \u8bbf\u95ee\u7236\u7c7b\u7684\u6210\u5458<\/strong>\uff08\u5b57\u6bb5\u3001\u65b9\u6cd5\uff09\u2014\u2014\u5f53\u5b50\u7c7b\u91cd\u5199\u6216\u9690\u85cf\u4e86\u7236\u7c7b\u6210\u5458\u65f6<\/li>\n\n\n\n
  • \u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u5668<\/strong>\u2014\u2014\u5728\u5b50\u7c7b\u6784\u9020\u5668\u4e2d\uff0c\u901a\u8fc7 super(...)<\/code> \u8c03\u7528\u7236\u7c7b\u6784\u9020\u5668<\/li>\n<\/ul>\n\n\n\n

    \u4f60\u53ef\u4ee5\u628a super<\/code> \u7406\u89e3\u6210”\u7236\u7c7b\u7248\u7684 this<\/code>“\uff0c\u5b83\u6307\u660e\u4e86”\u6211\u8981\u7684\u662f\u7236\u7c7b\u7684\u90a3\u4e2a\u7248\u672c”\u3002<\/p>\n\n\n\n

    1. super \u8bbf\u95ee\u7236\u7c7b\u6210\u5458<\/h4>\n\n\n\n

    \u5f53\u5b50\u7c7b\u5b9a\u4e49\u4e86\u4e0e\u7236\u7c7b\u540c\u540d\u7684\u5b57\u6bb5\u6216\u65b9\u6cd5\u65f6\uff0c\u5b50\u7c7b\u4e2d\u7684\u540d\u5b57\u4f1a\u906e\u853d<\/strong>\uff08hide\uff09\u6216\u91cd\u5199<\/strong>\uff08override\uff09\u7236\u7c7b\u7684\u7248\u672c\u3002\u8fd9\u65f6\u5019\u5982\u679c\u60f3\u8bbf\u95ee\u7236\u7c7b\u7684\u7248\u672c\uff0c\u5c31\u8981\u7528 super<\/code>\u3002<\/p>\n\n\n\n

    class Animal {\n    String name = \"\u52a8\u7269\";\n\n    void speak() {\n        System.out.println(\"\u52a8\u7269\u53d1\u51fa\u58f0\u97f3\");\n    }\n}\n\nclass Dog extends Animal {\n    String name = \"\u5c0f\u72d7\"; \/\/ \u906e\u853d\u4e86\u7236\u7c7b\u7684 name\n\n    @Override\n    void speak() {\n        super.speak(); \/\/ \u8c03\u7528\u7236\u7c7b\u7684 speak()\n        System.out.println(\"\u6c6a\u6c6a\uff01\");\n    }\n\n    void showName() {\n        System.out.println(\"\u5b50\u7c7b name\uff1a\" + this.name);     \/\/ \"\u5c0f\u72d7\"\n        System.out.println(\"\u7236\u7c7b name\uff1a\" + super.name);    \/\/ \"\u52a8\u7269\"\n    }\n}<\/code><\/pre>\n\n\n\n
    \u8fd0\u884c showName()<\/code> \u4f1a\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \u5b50\u7c7b name\uff1a\u5c0f\u72d7\n\u7236\u7c7b name\uff1a\u52a8\u7269<\/code><\/pre>\n\n\n\n
    \n
    \u6ce8\u610f:<\/strong>\u5b57\u6bb5\u8bbf\u95ee\u662f\u7531\u58f0\u660e\u7c7b\u578b<\/strong>\u51b3\u5b9a\u7684\uff0c\u4e0d\u662f\u7531\u5b9e\u9645\u7c7b\u578b\u51b3\u5b9a\u7684\u3002\u4f46\u65b9\u6cd5\u8c03\u7528\u662f\u52a8\u6001\u7ed1\u5b9a\u7684-\u4e00\u522b\u6025\uff0c\u8fd9\u4e2a\u5728\u4e0b\u4e00\u7bc7\u300a\u65b9
    \u6cd5\u91cd\u5199\u300b\u91cc\u4f1a\u8be6\u7ec6\u8bb2\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u4e8c\u3001\u6784\u9020\u5668\u94fe\uff1a\u5b50\u7c7b\u5bf9\u8c61\u521b\u5efa\u65f6\u53d1\u751f\u4e86\u4ec0\u4e48\uff1f<\/h3>\n\n\n\n
    \u8fd9\u662f\u7ee7\u627f\u4e2d\u6700\u91cd\u8981\u7684\u673a\u5236\u4e4b\u4e00\u3002Java \u4fdd\u8bc1\uff1a\u521b\u5efa\u4efb\u4f55\u5b50\u7c7b\u5bf9\u8c61\u65f6\uff0c\u4e00\u5b9a\u4f1a\u5148\u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u5668<\/strong>\uff0c\u4ece\u6700\u9876\u5c42\u7684\u7236\u7c7b\u4e00\u76f4\u5f80\u4e0b\uff0c\u6700\u540e\u624d\u6267\u884c\u5b50\u7c7b\u6784\u9020\u5668\u7684\u4ee3\u7801\u4f53\u3002\u8fd9\u6761\u8c03\u7528\u94fe\u6761\u5c31\u53eb\u6784\u9020\u5668\u94fe<\/strong>\uff08Constructor Chaining\uff09\u3002<\/p>\n\n\n\n
    1. \u9690\u5f0f\u8c03\u7528\uff1asuper()<\/h4>\n\n\n\n
    \u5982\u679c\u4f60\u5728\u5b50\u7c7b\u6784\u9020\u5668\u4e2d\u6ca1\u6709\u5199 super(...)<\/code>\uff0c\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u63d2\u5165\u4e00\u4e2a\u65e0\u53c2\u7684 super()<\/code> \u8c03\u7528\uff1a<\/p>\n\n\n\n
    class Animal {\n    public Animal() {\n        System.out.println(\"Animal \u6784\u9020\u5668\u6267\u884c\");\n    }\n}\n\nclass Dog extends Animal {\n    public Dog() {\n        \/\/ \u8fd9\u91cc\u7b49\u4ef7\u4e8e\uff1asuper();  \/\/ \u7f16\u8bd1\u5668\u81ea\u52a8\u6dfb\u52a0\n        System.out.println(\"Dog \u6784\u9020\u5668\u6267\u884c\");\n    }\n}\n\npublic class Main {\n    public static void main(String[] args) {\n        Dog dog = new Dog();\n    }\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n
    Animal \u6784\u9020\u5668\u6267\u884c\nDog \u6784\u9020\u5668\u6267\u884c<\/code><\/pre>\n\n\n\n
    \u770b\u5230\u6ca1\uff1f\u5148\u7236\u540e\u5b50<\/strong>\u3002\u4ece\u7ee7\u627f\u7684\u89d2\u5ea6\u89e3\u91ca\uff1a\u5b50\u7c7b\u5bf9\u8c61\u7684\u5185\u5b58\u7ed3\u6784\u4e2d\uff0c\u7236\u7c7b\u7684\u6210\u5458\u53d8\u91cf\u662f”\u57fa\u5e95”\uff0c\u5fc5\u987b\u5148\u521d\u59cb\u5316\u597d\uff0c\u5b50\u7c7b\u7684\u6269\u5c55\u90e8\u5206\u624d\u80fd\u5728\u6b64\u57fa\u7840\u4e0a\u642d\u5efa\u3002<\/p>\n\n\n\n
    2. \u663e\u5f0f\u8c03\u7528\uff1asuper(\u53c2\u6570)<\/h4>\n\n\n\n
    \u5982\u679c\u7236\u7c7b\u6ca1\u6709\u65e0\u53c2\u6784\u9020\u5668<\/strong>\uff08\u53ea\u6709\u4e00\u4e2a\u6709\u53c2\u6784\u9020\u5668\uff09\uff0c\u90a3\u4e48\u5b50\u7c7b\u6784\u9020\u5668\u5fc5\u987b\u663e\u5f0f<\/strong>\u8c03\u7528 super(\u53c2\u6570)<\/code>\uff0c\u5426\u5219\u7f16\u8bd1\u62a5\u9519\u3002<\/p>\n\n\n\n
    class Animal {\n    String name;\n\n    \/\/ \u53ea\u6709\u6709\u53c2\u6784\u9020\u5668\uff0c\u6ca1\u6709\u65e0\u53c2\u6784\u9020\u5668\n    public Animal(String name) {\n        this.name = name;\n        System.out.println(\"Animal \u6784\u9020\u5668\uff1a\" + name);\n    }\n}\n\nclass Dog extends Animal {\n    public Dog(String name) {\n        super(name);  \/\/ \u5fc5\u987b\u663e\u5f0f\u8c03\u7528\uff0c\u5426\u5219\u7f16\u8bd1\u9519\u8bef\n        System.out.println(\"Dog \u6784\u9020\u5668\uff1a\" + name);\n    }\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    Animal \u6784\u9020\u5668\uff1a\u65fa\u8d22\nDog \u6784\u9020\u5668\uff1a\u65fa\u8d22<\/code><\/pre>\n\n\n\n
    \n
    \u91cd\u8981\u89c4\u5219:<\/strong>superQ\u6216super(\u53c2\u6570)\u5fc5\u987b\u662f\u5b50\u7c7b\u6784\u9020\u5668\u4e2d\u7684\u7b2c\u4e00\u6761\u8bed\u53e5<\/strong>\u3002\u5426\u5219\u4f1a\u62a5\u7f16\u8bd1\u9519\u8bef\u3002\u8fd9\u6761\u89c4\u5219\u4fdd\u8bc1\u4e86\u7236\u7c7b\u7684\u521d\u59cb
    \u5316\u4e00\u5b9a\u5728\u5b50\u7c7b\u4e4b\u524d\u3002<\/p>\n<\/blockquote>\n\n\n\n
    3. \u5b8c\u6574\u7684\u6784\u9020\u5668\u94fe\u6267\u884c\u987a\u5e8f<\/h4>\n\n\n\n
    \u7ed3\u5408\u591a\u5c42\u7ee7\u627f\u6765\u770b\uff1a<\/p>\n\n\n\n
    class GrandParent {\n    public GrandParent() {\n        System.out.println(\"1. GrandParent\");\n    }\n}\n\nclass Parent extends GrandParent {\n    public Parent() {\n        System.out.println(\"2. Parent\");\n    }\n}\n\nclass Child extends Parent {\n    public Child() {\n        System.out.println(\"3. Child\");\n    }\n}\n\npublic class Main {\n    public static void main(String[] args) {\n        new Child();\n    }\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    1. GrandParent\n2. Parent\n3. Child<\/code><\/pre>\n\n\n\n
    \u6267\u884c\u6d41\u7a0b\u5c31\u50cf\u53e0\u7f57\u6c49\uff1a\u4ece\u6700\u9876\u5c42\u5230\u6700\u5e95\u5c42\uff0c\u6784\u9020\u5668\u94fe\u9010\u7ea7\u5411\u4e0b\u6267\u884c\u3002<\/p>\n\n\n\n
    \u4e09\u3001this() \u4e0e super() \u7684\u4e92\u65a5<\/h3>\n\n\n\n
    \u4f60\u53ef\u80fd\u8fd8\u8bb0\u5f97 this()<\/code> \u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u7c7b\u4e2d\u8c03\u7528\u53e6\u4e00\u4e2a\u6784\u9020\u5668\u3002\u4f46 this()<\/code> \u548c super()<\/code> \u4e0d\u80fd\u540c\u65f6\u51fa\u73b0\u5728\u540c\u4e00\u4e2a\u6784\u9020\u5668\u4e2d\u2014\u2014\u56e0\u4e3a\u4e24\u8005\u90fd\u5fc5\u987b\u662f\u7b2c\u4e00\u6761\u8bed\u53e5\uff0c\u4e0d\u53ef\u80fd\u540c\u65f6\u6ee1\u8db3\u3002<\/p>\n\n\n\n
    \u4e0d\u8fc7\uff0c\u53ef\u4ee5\u8fd9\u6837\u94fe\u5f0f\u8c03\u7528\uff1a<\/p>\n\n\n\n
    class Animal {\n    String name;\n    int age;\n\n    public Animal(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n}\n\nclass Dog extends Animal {\n    String breed;\n\n    public Dog(String name, int age, String breed) {\n        super(name, age);  \/\/ \u8c03\u7528\u7236\u7c7b\u6784\u9020\u5668\n        this.breed = breed;\n    }\n\n    public Dog(String name) {\n        this(name, 0, \"\u672a\u77e5\");  \/\/ this() \u8c03\u7528\u672c\u7c7b\u53e6\u4e00\u4e2a\u6784\u9020\u5668\n        \/\/ this \u5185\u90e8\u6700\u7ec8\u4f1a\u901a\u8fc7 super() \u6216 super(...) \u8c03\u7528\u7236\u7c7b\u6784\u9020\u5668\n    }\n}<\/code><\/pre>\n\n\n\n
    \u4e0a\u9762\u7684 Dog(String name)<\/code> \u5148\u8c03\u7528\u4e86 this(name, 0, \"\u672a\u77e5\")<\/code>\uff0c\u800c\u90a3\u4e2a\u4e09\u53c2\u6784\u9020\u5668\u91cc\u53c8\u8c03\u7528\u4e86 super(name, age)<\/code>\u3002\u6700\u7ec8\u7236\u7c7b\u6784\u9020\u5668\u4ecd\u7136\u6700\u5148\u88ab\u6267\u884c\u3002<\/p>\n\n\n\n
    \u56db\u3001\u591a\u5c42\u7ee7\u627f\uff08\u7ee7\u627f\u94fe\uff09<\/h3>\n\n\n\n
    Java \u4e0d\u5141\u8bb8\u591a\u7ee7\u627f\uff08\u4e00\u4e2a\u7c7b extends \u591a\u4e2a\u7236\u7c7b\uff09\uff0c\u4f46\u652f\u6301\u591a\u5c42\u7ee7\u627f<\/strong>\u2014\u2014A \u2192 B \u2192 C \u2192 D\u2026\u2026\u5f62\u6210\u4e00\u4e2a\u7ee7\u627f\u94fe\u3002<\/p>\n\n\n\n
    class Vehicle {\n    void start() {\n        System.out.println(\"\u4ea4\u901a\u5de5\u5177\u542f\u52a8\");\n    }\n}\n\nclass Car extends Vehicle {\n    void drive() {\n        System.out.println(\"\u5f00\u8f66\u4e0a\u8def\");\n    }\n}\n\nclass SUV extends Car {\n    void offRoad() {\n        System.out.println(\"\u8d8a\u91ce\u6a21\u5f0f\");\n    }\n}<\/code><\/pre>\n\n\n\n
    SUV \u7ee7\u627f\u81ea Car\uff0cCar \u7ee7\u627f\u81ea Vehicle\u3002\u6240\u4ee5 SUV \u5bf9\u8c61\u53ef\u4ee5\uff1a<\/p>\n\n\n\n
      \n
    • \u8c03\u7528\u81ea\u5df1\u7684 offRoad()<\/code><\/li>\n\n\n\n
    • \u8c03\u7528\u7236\u7c7b\u7684 drive()<\/code><\/li>\n\n\n\n
    • \u8c03\u7528\u7956\u7236\u7c7b\u7684 start()<\/code><\/li>\n<\/ul>\n\n\n\n
      \u8fd9\u5c31\u662f\u7ee7\u627f\u7684\u4f20\u9012\u6027\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u7ee7\u627f\u94fe\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc7 3\uff5e4 \u5c42\uff0c\u592a\u6df1\u4f1a\u589e\u52a0\u7ef4\u62a4\u6210\u672c\u548c\u7406\u89e3\u96be\u5ea6\u3002<\/p>\n\n\n\n
      \u4e94\u3001\u8bbf\u95ee\u4fee\u9970\u7b26\u5728\u7ee7\u627f\u4e2d\u7684\u5f71\u54cd<\/h3>\n\n\n\n
      \u4e0d\u540c\u7684\u8bbf\u95ee\u4fee\u9970\u7b26\u51b3\u5b9a\u4e86\u5b50\u7c7b\u80fd\u8bbf\u95ee\u591a\u5c11\u7236\u7c7b\u7684\u6210\u5458\uff1a<\/p>\n\n\n\n
      \u4fee\u9970\u7b26<\/th>\u672c\u7c7b<\/th>\u540c\u5305<\/th>\u5b50\u7c7b\uff08\u4e0d\u540c\u5305\uff09<\/th>\u4efb\u610f\u7c7b<\/th><\/tr><\/thead>
      private<\/code><\/td>\u2705<\/td>\u274c<\/td>\u274c<\/td>\u274c<\/td><\/tr>
      \u9ed8\u8ba4\uff08\u65e0\u4fee\u9970\u7b26\uff09<\/td>\u2705<\/td>\u2705<\/td>\u274c<\/td>\u274c<\/td><\/tr>
      protected<\/code><\/td>\u2705<\/td>\u2705<\/td>\u2705<\/td>\u274c<\/td><\/tr>
      public<\/code><\/td>\u2705<\/td>\u2705<\/td>\u2705<\/td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      protected<\/strong> \u662f\u7ee7\u627f\u573a\u666f\u4e2d\u6700\u7279\u6b8a\u7684\u4e00\u4e2a\uff1a\u5b83\u7ed9\u5b50\u7c7b\u5f00\u4e86\u6743\u9650\uff0c\u4f46\u5bf9\u5916\u90e8\u4ecd\u7136\u5c01\u95ed\u3002\u5982\u679c\u4e00\u4e2a\u5b57\u6bb5\u9884\u671f\u4f1a\u88ab\u5b50\u7c7b\u4f7f\u7528\uff0c\u5c31\u58f0\u660e\u4e3a protected<\/code>\u3002<\/p>\n\n\n\n
      class Animal {\n    private int id;          \/\/ \u5b50\u7c7b\u4e0d\u53ef\u89c1\n    String type;             \/\/ \u540c\u5305\u5b50\u7c7b\u53ef\u89c1\uff0c\u4e0d\u540c\u5305\u5b50\u7c7b\u4e0d\u53ef\u89c1\n    protected int age;       \/\/ \u5b50\u7c7b\u53ef\u89c1\n    public String name;      \/\/ \u5168\u90e8\u53ef\u89c1\n\n    private void secret() {} \/\/ \u5b50\u7c7b\u4e0d\u53ef\u8c03\u7528\n    protected void eat() {}  \/\/ \u5b50\u7c7b\u53ef\u8c03\u7528\n}<\/code><\/pre>\n\n\n\n
      \u516d\u3001\u5e38\u89c1\u8bef\u533a\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n\n\n\n
      \u274c \u8bef\u533a 1\uff1a\u5fd8\u8bb0\u5199 super() \u5bfc\u81f4\u7236\u7c7b\u65e0\u53c2\u6784\u9020\u5668\u4e0d\u5b58\u5728\u65f6\u62a5\u9519<\/h4>\n\n\n\n
      \u5982\u679c\u7236\u7c7b\u53ea\u5b9a\u4e49\u4e86\u6709\u53c2\u6784\u9020\u5668\uff0c\u5b50\u7c7b\u5fc5\u987b\u663e\u5f0f super(...)<\/code>\u3002\u6700\u4f73\u5b9e\u8df5\uff1a\u5efa\u8bae\u6bcf\u4e2a\u7c7b\u90fd\u663e\u5f0f\u58f0\u660e\u65e0\u53c2\u6784\u9020\u5668\uff08\u9664\u975e\u786e\u5b9e\u4e0d\u9700\u8981\u901a\u8fc7\u65e0\u53c2\u65b9\u5f0f\u521b\u5efa\uff09\u3002<\/p>\n\n\n\n
      \u274c \u8bef\u533a 2\uff1a\u5728\u666e\u901a\u65b9\u6cd5\u4e2d\u4f7f\u7528 super()<\/h2>\n\n\n\n
      super()<\/code> \u548c this()<\/code> \u53ea\u80fd\u7528\u5728\u6784\u9020\u5668\u91cc\u3002\u666e\u901a\u65b9\u6cd5\u4e2d\u8bbf\u95ee\u7236\u7c7b\u6210\u5458\u76f4\u63a5\u7528 super.\u6210\u5458\u540d<\/code>\uff0c\u4e0d\u80fd\u52a0\u62ec\u53f7\u3002<\/p>\n\n\n\n
      \u274c \u8bef\u533a 3\uff1a\u6ee5\u7528\u591a\u5c42\u7ee7\u627f<\/h2>\n\n\n\n
      \u7ee7\u627f\u94fe\u8fc7\u957f \u2192 \u8026\u5408\u5ea6\u8fc7\u9ad8 \u2192 \u6539\u5e95\u5c42\u5f71\u54cd\u4e00\u5927\u7247\u3002\u80fd\u7528\u7ec4\u5408\u5c31\u7528\u7ec4\u5408\uff0c\u8fd9\u4e2a\u540e\u9762\u4f1a\u4e13\u95e8\u8bb2\u3002<\/p>\n\n\n\n
      \u4e03\u3001\u4ee3\u7801\u5b9e\u6218\uff1a\u5458\u5de5\u7ba1\u7406\u7cfb\u7edf<\/h3>\n\n\n\n
      \u6765\u4e00\u4e2a\u7efc\u5408\u6848\u4f8b\uff0c\u628a\u4eca\u5929\u5b66\u7684\u77e5\u8bc6\u4e32\u8d77\u6765\u3002<\/p>\n\n\n\n
      \/\/ \u7236\u7c7b\nclass Employee {\n    protected String name;\n    protected double salary;\n\n    public Employee(String name, double salary) {\n        this.name = name;\n        this.salary = salary;\n        System.out.println(\"Employee \u6784\u9020\u5668\uff1a\" + name);\n    }\n\n    public void work() {\n        System.out.println(name + \" \u6b63\u5728\u5de5\u4f5c\");\n    }\n\n    public double getSalary() {\n        return salary;\n    }\n}\n\n\/\/ \u5b50\u7c7b\uff1a\u7ecf\u7406\nclass Manager extends Employee {\n    private double bonus;\n\n    public Manager(String name, double salary, double bonus) {\n        super(name, salary);  \/\/ \u8c03\u7528\u7236\u7c7b\u6784\u9020\u5668\n        this.bonus = bonus;\n        System.out.println(\"Manager \u6784\u9020\u5668\uff1a\" + name);\n    }\n\n    @Override\n    public void work() {\n        super.work();  \/\/ \u8c03\u7528\u7236\u7c7b\u7684 work\n        System.out.println(name + \" \u5728\u7ba1\u7406\u56e2\u961f\");\n    }\n\n    @Override\n    public double getSalary() {\n        return super.getSalary() + bonus;  \/\/ \u8c03\u7528\u7236\u7c7b\u65b9\u6cd5\u83b7\u53d6\u57fa\u7840\u85aa\u8d44\u518d\u52a0\u5956\u91d1\n    }\n}\n\n\/\/ \u5b50\u7c7b\uff1a\u7a0b\u5e8f\u5458\nclass Programmer extends Employee {\n    private String skill;\n\n    public Programmer(String name, double salary, String skill) {\n        super(name, salary);\n        this.skill = skill;\n    }\n\n    @Override\n    public void work() {\n        super.work();\n        System.out.println(name + \" \u5728\u5199 \" + skill + \" \u4ee3\u7801\");\n    }\n}\n\npublic class Main {\n    public static void main(String[] args) {\n        Manager mgr = new Manager(\"\u5f20\u4e09\", 20000, 5000);\n        System.out.println(\"---\");\n        Programmer coder = new Programmer(\"\u674e\u56db\", 15000, \"Java\");\n\n        System.out.println(\"n=== \u5de5\u4f5c ===\");\n        mgr.work();\n        System.out.println(\"---\");\n        coder.work();\n\n        System.out.println(\"n=== \u85aa\u8d44 ===\");\n        System.out.println(mgr.name + \"\uff1a\" + mgr.getSalary());\n        System.out.println(coder.name + \"\uff1a\" + coder.getSalary());\n    }\n}<\/code><\/pre>\n\n\n\n
      \u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n
      Employee \u6784\u9020\u5668\uff1a\u5f20\u4e09\nManager \u6784\u9020\u5668\uff1a\u5f20\u4e09\n---\nEmployee \u6784\u9020\u5668\uff1a\u674e\u56db\n\n=== \u5de5\u4f5c ===\n\u5f20\u4e09 \u6b63\u5728\u5de5\u4f5c\n\u5f20\u4e09 \u5728\u7ba1\u7406\u56e2\u961f\n---\n\u674e\u56db \u6b63\u5728\u5de5\u4f5c\n\u674e\u56db \u5728\u5199 Java \u4ee3\u7801\n\n=== \u85aa\u8d44 ===\n\u5f20\u4e09\uff1a25000.0\n\u674e\u56db\uff1a15000.0<\/code><\/pre>\n\n\n\n
      \u8fd9\u4e2a\u6848\u4f8b\u6e05\u6670\u5730\u5c55\u793a\u4e86\uff1a<\/p>\n\n\n\n
        \n
      • \u6784\u9020\u5668\u94fe\u7684\u6267\u884c\u987a\u5e8f\uff08\u5148\u7236\u540e\u5b50\uff09<\/li>\n\n\n\n
      • super()<\/code> \u8c03\u7528\u7236\u7c7b\u6784\u9020\u5668\u4f20\u53c2<\/li>\n\n\n\n
      • super.\u65b9\u6cd5()<\/code> \u590d\u7528\u7236\u7c7b\u903b\u8f91<\/li>\n\n\n\n
      • protected<\/code> \u8ba9\u5b50\u7c7b\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u7236\u7c7b\u5b57\u6bb5<\/li>\n\n\n\n
      • \u65b9\u6cd5\u91cd\u5199\u914d\u5408 super<\/code> \u5b9e\u73b0”\u6269\u5c55\u800c\u975e\u66ff\u6362”<\/li>\n<\/ul>\n\n\n\n
        \u7ed3\u8bed<\/h3>\n\n\n\n
        \u8fd9\u4e00\u7bc7\u6211\u4eec\u4ece super<\/code> \u5173\u952e\u5b57\u51fa\u53d1\uff0c\u6df1\u5165\u4e86\u51e0\u91cd\u7ee7\u627f\u7684\u5173\u952e\u673a\u5236\u2014\u2014\u6784\u9020\u5668\u94fe\u7684\u6267\u884c\u987a\u5e8f\u3001super()<\/code> \u4e0e this()<\/code> \u7684\u5173\u7cfb\u3001\u591a\u5c42\u7ee7\u627f\u3001\u8bbf\u95ee\u4fee\u9970\u7b26\u5728\u7ee7\u627f\u4e2d\u7684\u4f5c\u7528\u3002\u8fd9\u4e9b\u90fd\u662f Java \u7ee7\u627f\u4e2d\u6700\u5bb9\u6613\u51fa\u9519\u4f46\u53c8\u6700\u91cd\u8981\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n
        \u4e0b\u4e00\u7bc7\u6211\u4eec\u5c06\u8fdb\u5165\u4e00\u4e2a\u66f4\u7cbe\u5f69\u7684\u8bdd\u9898\u2014\u2014\u65b9\u6cd5\u91cd\u5199\uff08Override\uff09\u4e0e final \u5173\u952e\u5b57<\/strong>\uff0c\u8fd9\u662f\u9762\u5411\u5bf9\u8c61\u591a\u6001\u7684\u6838\u5fc3\u524d\u63d0\u3002\u5230\u65f6\u5019\u6211\u4eec\u4f1a\u6df1\u5165 Java \u7684\u52a8\u6001\u7ed1\u5b9a\u673a\u5236\uff0c\u770b\u770b “\u91cd\u5199” \u548c “\u91cd\u8f7d” \u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        14. \u7ee7\u627f\u8fdb\u9636\uff1asuper \u5173\u952e\u5b57\u4e0e\u6784\u9020\u5668\u94fe \u4e0a\u4e00\u7bc7\u6587\u7ae0\u6211\u4eec\u8ba4\u8bc6\u4e86\u7ee7\u627f\u7684\u57fa\u672c\u6982\u5ff5\uff1a\u7528 extends \u5efa\u7acb\u7236 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,66],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-03-","category-02-inheritance"],"_links":{"self":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":3,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":264,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/255\/revisions\/264"}],"wp:attachment":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}