{"id":1416,"date":"2024-04-14T00:23:27","date_gmt":"2024-04-13T16:23:27","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=1416"},"modified":"2024-04-14T00:23:27","modified_gmt":"2024-04-13T16:23:27","slug":"%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e3%80%90%e5%b0%81%e8%a3%85%e7%bb%a7%e6%89%bf%e5%a4%9a%e6%80%81%e3%80%91","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/04\/14\/%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e3%80%90%e5%b0%81%e8%a3%85%e7%bb%a7%e6%89%bf%e5%a4%9a%e6%80%81%e3%80%91\/","title":{"rendered":"\u9762\u5411\u5bf9\u8c61\u3010\u5c01\u88c5\u7ee7\u627f\u591a\u6001\u3011"},"content":{"rendered":"

\u5c01\u88c5<\/h1>\n

1\u3001\u662f\u4ec0\u4e48?<\/h2>\n

1\u3001\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a\u6211\u5728\u7f51\u4e0a\u4e70\u4e86\u4e2a\u5feb\u9012\u3002\u6211\u8981\u9000\u6b3e\u3002\u9000\u6b3e\u6211\u5c31\u8981\u5305\u88c5\uff08\u4e5f\u5c31\u662f\u5c01\u88c5\uff09\u3002<\/p>\n

2\u3001\u5e72\u561b\u7684\uff1f<\/h2>\n

1\u3001\u6211\u4eec\u7528\u5c01\u88c5\u7684\u601d\u60f3\uff0c\u6765\u628a\u6211\u4eec\u5199\u7684\u4e00\u4e2a\u65b9\u6cd5\u5c01\u88c5\u8d77\u6765\uff0c\u53ef\u4ee5\u8ba9\u5176\u4ed6\u6a21\u5757\u4e1a\u52a1\u8c03\u7528\u3002
\n2\u3001\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u4e0d\u7528\u91cd\u590d\u5199\u4e00\u4e2a\u4e1c\u897f\u4e86\uff0c\u53ea\u8981\u7c7b\u5f15\u7528\u4e00\u4e0b\u5c31\u597d\u4e86\u3002<\/p>\n

1\u3001\u4e3b\u8981\u6b65\u9aa4\u65b9\u6cd5<\/h3>\n

1\u3001\u6211\u4eec\u5b9a\u4e49\u79c1\u6709\u5c5e\u6027\u6216\u65b9\u6cd5\u3002
\n2\u3001\u6211\u4eec\u8981\u63d0\u4f9b\u516c\u5171\u7684\u65b9\u6cd5\uff0c\u65b9\u4fbf\u5176\u4ed6\u6a21\u5757\u6216\u7a0b\u5e8f\u8c03\u7528<\/p>\n

3\u3001\u600e\u4e48\u73a9<\/h2>\n

1\u3001\u5b9e\u4f8b<\/h3>\n

1\u3001\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u7c7bClass \uff1aPeople
\n2\u3001\u5b9a\u4e49get\u3001set\u65b9\u6cd5
\n3\u3001\u4ee3\u7801\u5982\u4e0b<\/p>\n

package org.example.fengzhuang;\n\npublic class People {\n\n    private  String name;\n    private  int age;\n\n    \/\/get\/set\u65b9\u6cd5\n\n    public String getName() {\n        return name;\n    }\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n    public int getAge() {\n        return age;\n    }\n\n    public void setAge(int age) {\n        this.age = age;\n    }\n}\n<\/code><\/pre>\n
4\u3001\u8c03\u7528<\/p>\n
public class Main {\n    public static void main(String[] args) {\n        People p = new People();\n        p.setName("\u5f20\u4e09");\n        p.setAge(20);\n        System.out.println(" name= " +p.getName() );\n    }\n}<\/code><\/pre>\n
\u7ee7\u627f<\/h1>\n
\u662f\u4ec0\u4e48\uff1f<\/h2>\n
1\u3001\u751f\u6d3b\u4e2d\u7684\u5b9e\u4f8b\uff0c\u7236\u4eb2\u53bb\u4e16\u4e86\uff0c\u513f\u5b50\u7ee7\u627f\u7236\u4eb2\u7684\u8d22\u4ea7\u3002\u513f\u5b50\u4e5f\u53ef\u4ee5\u6709\u81ea\u5df1\u7684\u8d22\u4ea7\u3002<\/p>\n
\u5e72\u561b\u7528\uff1f<\/h2>\n
1\u3001\u907f\u514d\u4ee3\u7801\u7684\u81c3\u80bf\uff0c\u4ee3\u7801\u91cf\u5927\u7684\u95ee\u9898\u3002<\/p>\n
\u600e\u4e48\u73a9\uff1f<\/h2>\n
1\u3001\u5b9e\u4f8b<\/h3>\n
1\u3001\u8fd9\u91cc\u6211\u4eec\u51c6\u5907\u4e24\u4e2a\u7c7b\uff0c\u4e00\u4e2a\u662fFather\u30011\u4e2a\u662fson\u7684\u7c7b
\n2\u3001\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7236\u7c7b\u7684show\u65b9\u6cd5\uff0c\u513f\u5b50\u4e0d\u5199\u3002\u4ee3\u7801\u5982\u4e0b<\/p>\n
\/\/\u7236\u7c7b\npackage org.example.fengzhuang;\n\npublic class Father {\n    public Father(){\n    \/\/\u5b50\u7c7b\u5fc5\u987b\u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u5668\uff0c\u5b8c\u6210\u7236\u7c7b\u521d\u59cb\u5316\uff0c\u6240\u4ee5\u7236\u7c7b\u8981\u6709\u4e2a\u6784\u9020\u5668\n        System.out.println("\u7236\u7c7b\u6784\u9020\u65b9\u6cd5");\n    }\n    public void show(){\n        System.out.println("\u7236\u7c7bshow\u65b9\u6cd5");\n    }\n}\n<\/code><\/pre>\n
\/\/\u5b50\u7c7b\npackage org.example.fengzhuang;\n\npublic class Son extends Father{\n\n    public static void main(String[] args) {\n        Son son = new Son();\n\/\/        \u6211\u662f\u513f\u5b50\uff1a\u6211\u8981\u8c03\u7528\u6211\u7239\u7684\u65b9\u6cd5\n        son.show();\n    }\n}<\/code><\/pre>\n
\u6ce8\u610f\uff08\u7ec6\u8282\uff09<\/h3>\n
1\u3001\u5b50\u7c7b\u7ee7\u627f\u4e86\u6240\u6709\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u79c1\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u5b50\u7c7b\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\uff0c\u8981\u901a\u8fc7\u7236\u7c7b\u63d0\u4f9b\u516c\u5171\u65b9\u6cd5\u53bb\u8bbf\u95ee\uff08\u8fd9\u53e5\u8bdd\u610f\u601d\u662f\uff1a\u8001\u7239\u4e5f\u53ef\u80fd\u85cf\u79c1\u623f\u94b1\uff0c\u8981\u7ecf\u8fc7\u7236\u4eb2\u7684\u544a\u8bc9\uff0c\u8be2\u95ee\u624d\u80fd\u77e5\u9053\uff09<\/p>\n
2\u3001\u5b50\u7c7b\u5fc5\u987b\u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u5668\uff0c\u5b8c\u6210\u7236\u7c7b\u521d\u59cb\u5316<\/p>\n
3\u3001\u5982\u679c\u7236\u7c7b\u6ca1\u6709\u63d0\u4f9b\u65e0\u53c2\u6784\u9020\u5668\uff0c\u5219\u5b50\u7c7b\u5fc5\u987b\u4f7f\u7528super\u53bb\u6307\u5b9a\u7236\u7c7b\u4f7f\u7528\u7684\u54ea\u4e2a\u6784\u9020\u5668\u5b8c\u6210\u5bf9\u7236\u7c7b\u5de5\u4f5c\u7684\u521d\u59cb\u5316\uff08\u7236\u7c7b\u6709\u591a\u4e2a\u6784\u9020\u5668\uff0c\u5b50\u7c7b\u5fc5\u987b\u7528super\u6307\u5411\u4e00\u4e2a\u6784\u9020\u5668\uff09<\/p>\n
4\u3001super\u5fc5\u987b\u653e\u5728\u6784\u9020\u5668\u4e2d\u7b2c\u4e00\u884c\uff0c\u4e14\u53ea\u80fd\u5728\u6784\u9020\u5668\u4f7f\u7528\u3002<\/p>\n
5\u3001super\u548cthis \u6b7b\u5bf9\u5934\uff0c\u4e0d\u80fd\u540c\u65f6\u8c03\u7528\u7236\u7c7b\u548c\u5b50\u7c7b\u7684\u6784\u9020\u5668<\/p>\n
6\u3001Object\u662f\u9876\u7ea7\u7c7b\uff0c\u6240\u6709\u5b50\u7c7b\u7684\u7236\u7c7b<\/p>\n
7\u3001\u7236\u7c7b\u6784\u9020\u5668\u7684\u8c03\u7528\u4e0d\u9650\u76f4\u63a5\u7236\u7c7b\u3001\u95f4\u63a5\u7236\u7c7b\u4e5f\u662f
\n\uff081\uff09C\u7ee7\u627fB\uff0cB\u7ee7\u627fA\uff0cC\u95f4\u63a5\u7ee7\u627fA\u7c7b<\/p>\n
8\u3001\u5b50\u7c7b\u6700\u591a\u53ea\u80fd\u7ee7\u627f\u4e00\u4e2a\u7236\u7c7b\uff0c\u53ea\u80fd\u6709\u4e00\u4e2a\u76f4\u63a5\u7236\u7c7b<\/p>\n
9\u3001\u4e0d\u80fd\u6ee5\u7528\u7ee7\u627f\uff0c\u5b50\u7c7b\u548c\u7236\u7c7b\u4e4b\u95f4\u5fc5\u987b\u6ee1\u8db3is-a\u7684\u903b\u8f91\u5173\u7cfb<\/p>\n
\u7ee7\u627f\u7684\u539f\u7406\u548c\u5185\u5b58\u56fe<\/h3>\n
1\u3001super\u4f7f\u7528\u7ec6\u8282<\/h4>\n
1\u3001\u5148\u627e\u81ea\u5df1\u7684\u3001\u627e\u4e0d\u5230\u518d\u4f9d\u7167\u5c42\u7ea7\u5f80\u4e0a\u627e<\/p>\n
2\u3001this.ff() =ff()<\/p>\n
3\u3001super.ff()\uff1a\u901a\u8fc7\u81ea\u8eab\u627e\u7236\u7c7b<\/p>\n
2\u3001\u65b9\u6cd5\u8986\u76d6<\/h4>\n
1\u3001\u5b50\u3001\u7236\u7c7b\u7684\u53c2\u6570\u548c\u65b9\u6cd5\u540d\u4ece\u8981\u5b8c\u5168\u4e00\u81f4<\/p>\n
2\u3001\u7236\u7c7b\u65b9\u6cd5\u8bbf\u95ee\u6743\u9650>=\u5b50\u7c7b<\/p>\n
3\u3001\u7ee7\u627f\u5185\u5b58\u5206\u5e03\u56fe<\/h4>\n
\"\"<\/div><\/p>\n
\u591a\u6001<\/h1>\n
\u662f\u4ec0\u4e48\uff1f<\/h2>\n
1\u3001\u591a\u6001\u662f\u540c\u4e00\u4e2a\u884c\u4e3a\u5177\u6709\u591a\u4e2a\u4e0d\u540c\u8868\u73b0\u5f62\u5f0f\u6216\u5f62\u6001\u7684\u80fd\u529b\u3002
\n2\u3001\u591a\u6001\u5c31\u662f\u540c\u4e00\u4e2a\u63a5\u53e3\uff0c\u4f7f\u7528\u4e0d\u540c\u7684\u5b9e\u4f8b\u800c\u6267\u884c\u4e0d\u540c\u64cd\u4f5c<\/p>\n
\u524d\u63d0\uff1f<\/h2>\n
1\u3001\u4e24\u4e2a\u5bf9\u8c61\u5b58\u5728\u7ee7\u627f\u5173\u7cfb<\/strong>
\n1\u3001\u4e00\u4e2a\u5bf9\u8c61\u7684\u7f16\u8bd1\u7c7b\u578b\u548c\u8fd0\u884c\u7c7b\u578b\u53ef\u4ee5\u4e0d\u4e00\u81f4
\n\uff081\uff09Animal anim = new Dog\uff08\uff09\uff1a\u7f16\u8bd1\u7c7b\u578b\u662fAnimal\uff0c\u8fd0\u884c\u7c7b\u578b\u662fDog<\/p>\n
2\u3001\u7f16\u8bd1\u7c7b\u578b\u5728\u5b9a\u4e49\u5bf9\u8c61\u65f6\uff0c\u5c31\u786e\u5b9a\u4e86\uff0c\u4e0d\u80fd\u6539\u53d8<\/p>\n
3\u3001\u8fd0\u884c\u7c7b\u578b\u662f\u53ef\u4ee5\u6539\u53d8\u7684
\n\uff081\uff09anim = new Cat\uff08\uff09\uff1b<\/p>\n
4\u3001\u7f16\u8bd1\u7c7b\u578b\u770b\u5b9a\u4e49\u65f6 = \u53f7\u7684\u5de6\u8fb9<\/strong>\uff0c\u8fd0\u884c\u7c7b\u578b\u770b =\u53f7\u7684\u53f3\u8fb9<\/strong><\/p>\n
5\u3001\u5411\u4e0a\u8f6c\u578b\u672c\u8d28<\/strong>\uff1a\u7236\u7c7b\u7684\u5f15\u7528\u6307\u5411\u4e86\u5b50\u7c7b\u5bf9\u8c61<\/p>\n
6\u3001\u53ef\u4ee5\u8c03\u7528\u7236\u7c7b\u7684\u6240\u6709\u529f\u80fd<\/strong>\uff0c\u4e0d\u80fd\u8c03\u7528\u5b50\u7c7b\u7684\u7279\u6709\u65b9\u6cd5\uff08\u513f\u5b50\u79c1\u85cf\uff0c\u7236\u4eb2\u4e0d\u77e5\u9053\uff09\u5b9e\u9645\u4e0a\u662f\u56e0\u4e3a\uff1a\u7f16\u8bd1\u7c7b\u578b\u4e0d\u540c\uff01<\/p>\n
7\u3001\u6700\u7ec8\u662fjava\u8fd0\u884c\u4e0d\u662f\u7f16\u8bd1\u5668\uff08javac\uff09\uff0c\u8fd0\u884c\u6548\u679c\u770b\u5b50\u7c7b\u7684\u5177\u4f53\u5b9e\u73b0\uff08\u8c03\u7528\u7684\u65b9\u6cd5\uff09<\/p>\n
\u600e\u4e48\u73a9\uff1f<\/h2>\n
1\u3001\u591a\u6001\u7684\u5411\u4e0a\u8f6c\u578b\u89c4\u5219<\/h3>\n
1\u3001\u53ef\u4ee5\u8c03\u7528\u7236\u7c7b\u4e2d\u7684\u6240\u6709\u6210\u5458\uff08\u8bbf\u95ee\u6743\u9650\uff09<\/p>\n
2\u3001\u4e0d\u80fd\u8c03\u7528\u5b50\u7c7b\u7279\u6709\u65b9\u6cd5
\n\uff081\uff09eg\uff1a<\/p>\n
3\u3001\u7f16\u8bd1\u9636\u6bb5\uff0c\u8c03\u7528\u54ea\u4e9b\u6210\u5458\uff0c\u662f\u7f16\u8bd1\u7c7b\u578b\u51b3\u5b9a\u7684<\/p>\n
4\u3001\u6700\u7ec8\u662fjava\u8fd0\u884c\u4e0d\u662f\u7f16\u8bd1\u5668\uff08javac\uff09\uff0c\u8fd0\u884c\u6548\u679c\u770b\u5b50\u7c7b\u7684\u5177\u4f53\u5b9e\u73b0\uff08\u8c03\u7528\u7684\u65b9\u6cd5\uff09<\/p>\n
2\u3001\u591a\u6001\u7684\u5411\u4e0b\u8f6c\u578b\u89c4\u5219<\/h3>\n
1\u3001\u76ee\u7684\uff1a\u4e3a\u4e86\u89e3\u51b3\u4e0d\u80fd\u8c03\u7528\u5b50\u7c7b\u4e2d\u7279\u6709\u7684\u65b9\u6cd5\uff08\u7236\u4eb2\u7528\u5f3a\u8f6c\u7684\u68cd\u5b50\u6253\u513f\u5b50\uff0c\u5c31\u80fd\u5f97\u5230\u513f\u5b50\u7684\u79c1\u85cf\uff09<\/p>\n
2\u3001\u8bed\u6cd5\uff1a\u5b50\u7c7b\u7c7b\u578b \u5f15\u7528\u540d = \uff08\u5b50\u7c7b\u7c7b\u578b\uff09 \u7236\u7c7b\u5f15\u7528\uff08\u7236\u7c7b\u7684\u5bf9\u8c61\uff09\uff1b \/\/\u5411\u4e0b\u8f6c\u578b\u9700\u8981\u5148\u5411\u4e0a\u8f6c\u578b<\/p>\n
3\u3001\u53ea\u80fd\u5f3a\u8f6c\u7236\u7c7b\u7684\u5f15\u7528\uff0c\u4e0d\u80fd\u5f3a\u8f6c\u7236\u7c7b\u7684\u5bf9\u8c61<\/p>\n
4\u3001\u8981\u6c42\u7236\u7c7b\u7684\u5f15\u7528\u5fc5\u987b\u6307\u5411\u5f53\u524d\u76ee\u6807\u7c7b\u578b\u7684\u5bf9\u8c61<\/p>\n
5\u3001\u53ef\u4ee5\u8c03\u7528\u5b50\u7c7b\u7c7b\u578b\u4e2d\u7684\u6240\u6709\u6210\u5458\u3002\uff08\u7236\u7c7b\u7684\u4e5f\u884c\uff09<\/p>\n
3\u3001\u5b9e\u64cd<\/h3>\n
\/\/Test2\npublic class Test2 {\n    public static void main(String[] args) {\n\/\/        \u5411\u4e0a\u8f6c\u578b\n        Father father = new Son();\n\n        father.work1(father);\n\/\/        father.work();\/\/\u8c03\u7528\u4e0d\u4e86\u513f\u5b50\u65b9\u6cd5\n\n\/\/        \u5411\u4e0b\u8f6c\u578b\n        Son son = (Son)father;\n        son.work();\n\n\/\/    instanceof \u4f7f\u7528\n        Father father1 = new Girl();\n        father1.work1(father1);\n    }\n\n}\n\n\/\/Father\npublic class Father {\n\/\/    public Father(){\n\/\/        System.out.println("\u7236\u7c7b\u6784\u9020\u65b9\u6cd5");\n\/\/    }\n\/\/    public void show(){\n\/\/        System.out.println("\u7236\u7c7bshow\u65b9\u6cd5");\n\/\/    }\n\n    public void  work1(Object o){\n        if(o instanceof Son){\n            System.out.println("\uff08\u7236\u7c7b\u4e2d\u7684\u65b9\u6cd5\uff09\u6211\u8981\u53bb\u642c\u4e1c\u897f");\n        } else if (o instanceof Girl) {\n            System.out.println("\u6211\u8981\u53bb\u6d17\u7897\u4e86");\n        }\n    }\n\n}\n\n\/\/Son\npublic class Son extends Father{\n    public void work(){\n        System.out.println("\uff08\u513f\u5b50\u81ea\u5df1\u7684\u65b9\u6cd5\uff09\u6211\u53bb\u642c\u4e1c\u897f\u4e86");\n    }\n}<\/code><\/pre>\n
4\u3001\u591a\u6001\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n
1\u3001\u5c5e\u6027\u6ca1\u6709\u91cd\u5199\u53ea\u8bf4\uff01\u5c5e\u6027\u7684\u503c\u770b\u7f16\u8bd1\u7c7b\u578b<\/p>\n
2\u3001instanceof \u6bd4\u8f83\u64cd\u4f5c\u7b26\uff0c\u7528\u4e8e\u5224\u65ad\u5bf9\u8c61\u7684\u7c7b\u578b\u662f\u5426\u4e3axx\u7c7b\u578b\u6216xx\u7684\u5b50\u7c7b\u578b\u3010\u8fd4\u56deBoolean\u503c\u3011 <\/p>\n
5\u3001java\u7684\u52a8\u6001\u7ed1\u5b9a\u673a\u5236\uff08\u203c\uff09<\/h3>\n
1\u3001\u5f53\u8c03\u7528\u5bf9\u8c61\u65b9\u6cd5\u65f6\u5019\uff0c\u8be5\u65b9\u6cd5\u4f1a\u548c\u8be5\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\/\u8fd0\u884c\u7c7b\u578b<\/strong>\u7ed1\u5b9a<\/p>\n
2\u3001\u5f53\u8c03\u7528\u5bf9\u8c61\u5c5e\u6027\u65f6\uff0c\u6ca1\u6709\u52a8\u6001\u7ed1\u5b9a\u673a\u5236\uff0c\u54ea\u91cc\u58f0\u660e\uff0c\u54ea\u91cc\u4f7f\u7528<\/p>\n
6\u3001\u5173\u952e\u5b57<\/h3>\n
1\u3001\u5224\u65adxxx\u662f\u4e0d\u662f\u8fd0\u884c\u7684\u5b50\u7c7b\u6216\u7236\u7c7b<\/p>\n
eg\uff1aif\uff08person[i] instanceof student\uff09\/\/\u5224\u65adperson\u3010i\u3011\u7684\u8fd0\u884c\u7c7b\u578b\u662f\u4e0d\u662fstudent<\/p>\n
7\u3001\u603b\u7ed3<\/h3>\n
1\u3001Object\u7c7b\u8be6\u89e3<\/p>\n
equals\u65b9\u6cd5\uff1a\u6bd4\u8f83<\/p>\n
2\u3001equals\u548c== \u7684\u5bf9\u6bd4<\/p>\n
\uff081\uff09==\uff1a\u8868\u793a\u57fa\u672c\u5224\u65ad\u7c7b\u578b\u3001\u5f15\u7528\u5224\u65ad\u7c7b\u578b<\/p>\n
\uff082\uff09==\uff1a\u57fa\u672c\u5224\u65ad\u7c7b\u578b\uff1a\u503c\u662f\u5426\u76f8\u7b49<\/p>\n
\uff083\uff09==\uff1a\u5f15\u7528\u5224\u65ad\u7c7b\u578b\uff1a\u5730\u5740\u662f\u5426\u76f8\u7b49<\/p>\n
\uff084\uff09equals\uff1a\u53ea\u80fd\u5224\u65ad\u5f15\u7528\u7c7b\u578b<\/strong>
\n2\u3001hashCode\u65b9\u6cd5\uff08\uff09
\n1\uff09\u63d0\u9ad8\u5177\u6709\u54c8\u5e0c\u7ed3\u6784\u7684\u5bb9\u5668\u7684\u6548\u7387\uff01<\/p>\n
\uff082\uff09\u4e24\u4e2a\u5f15\u7528\uff0c\u5982\u679c\u6307\u5411\u7684\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5219\u54c8\u5e0c\u503c\u80af\u5b9a\u662f\u4e00\u6837\u7684<\/p>\n
\uff083\uff09\u4e24\u4e2a\u5f15\u7528\uff0c\u5982\u679c\u6307\u5411\u7684\u4e0d\u540c\u5bf9\u8c61\uff0c\u5219\u54c8\u5e0c\u503c\u662f\u4e0d\u4e00\u6837\u7684<\/p>\n
\uff084\uff09\u54c8\u5e0c\u503c\u4e3b\u8981\u6839\u636e\u5730\u5740\u6765\uff01\uff0c\u4e0d\u80fd\u5b8c\u5168\u7b49\u4ef7\u4e8e\u5730\u5740<\/p>\n
3\u3001toString\uff08\uff09\u65b9\u6cd5<\/p>\n
\uff081\uff09\u539f\u7406\uff1a\u8fd4\u56de\u5168\u7c7b\u540d\uff08\u5305\u540d+\u7c7b\u540d\uff09+\u5bf9\u8c61hashCode\u503c\u8f6c\u621016\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
\uff082\uff09\u4f5c\u7528\uff1a\u5b50\u7c7b\u5f80\u5f80\u91cd\u5199toString\u65b9\u6cd5\uff0c\u7528\u4e8e\u8fd4\u56de\u5bf9\u8c61\u7684\u5c5e\u6027\u4fe1\u606f <\/p>\n
\uff083\uff09\u91cd\u5199toString\u65b9\u6cd5\uff0c\u6253\u5370\u5bf9\u8c61\u6216\u62fc\u63a5\u5bf9\u8c61\u65f6\uff0c\u90fd\u4f1a\u81ea\u52a8\u8c03\u7528\u8be5\u5bf9\u8c61\u7684toString\u5f62\u5f0f\u3002<\/p>\n
\uff084\uff09\u5f53\u76f4\u63a5\u8f93\u51fa\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0ctoString\u65b9\u6cd5\u4f1a\u88ab\u9ed8\u8ba4\u7684\u8c03\u7528<\/p>\n
eg\uff1aSystem.out.println\uff08monster\uff09==monster.toString()<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5c01\u88c5 1\u3001\u662f\u4ec0\u4e48? 1\u3001\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a\u6211\u5728\u7f51\u4e0a\u4e70\u4e86\u4e2a\u5feb\u9012\u3002\u6211\u8981\u9000\u6b3e\u3002\u9000\u6b3e\u6211\u5c31\u8981\u5305\u88c5\uff08\u4e5f\u5c31\u662f\u5c01\u88c5\uff09\u3002 2\u3001\u5e72\u561b\u7684\uff1f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-1416","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1416"}],"version-history":[{"count":3,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1416\/revisions"}],"predecessor-version":[{"id":1420,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1416\/revisions\/1420"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1416"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}