匿名内部类的简单使用

it2024-08-12  82

1.  new 一个抽象的类:

package com.xuzhiwen.test1; abstract class Person { abstract void eat(); } package com.xuzhiwen.test1; public class TestPerson { public static void main(String[] args) { Person p = new Person() { @Override void eat() { System.out.println("i can eat"); } }; p.eat(); } }

2. new 一个接口:

package com.xuzhiwen.test1; public interface Animal { public void run(); } package com.xuzhiwen.test1; public class Dog { public static void main(String[] args) { new Animal() { @Override public void run() { System.out.println("run().."); } public void getName(){ System.out.println("getName()..."); } }.getName(); } }

 

转载于:https://www.cnblogs.com/beibidewomen/p/7287674.html

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