package ting; public abstract class A { private String name; public A(String name) { this.name=name; } public String getName() { return this.name; } public abstract void fun(); }
package ting; public class B extends A { //抽象类不能实例化 public B(String name) { super(name); } public void fun() { System.out.println(super.getName()); } }
package ting; public class DemoAB { public static void main(String[] args) { B b =new B("悟空"); b.fun(); } }