适配器设计模式

//适配器设计模式

public static void main(String[] args) {
Jk A=new Zl();
Zl b=(Zl)A;

}
}
interface Jk{
void fun();
void fun1();
void fun2();
void fun3();
}
abstract class Fl implements Jk{
public void fun(){
System.out.println("111");
}
public void fun1(){
System.out.println("222");
}
public abstract void fun2();
public abstract void fun3();
}
class Zl extends Fl{
public void fun2(){
System.out.println("333");
}
public void fun3(){
System.out.println("444");
}
public void fun4(){
System.out.println("555");
}