类适配器模式

public class Adaptee {
    public void show() {
        System.out.println("被适配者，有特殊功能");
    }
}

public class Adapter extends Adaptee implements Target {
    public void get(){
        super.show();
    }
}

public interface Target {
    public void get() ;
}

public class Client {
    public static void main(String[] args) {
        Target target=new Adapter();
        target.get();
    }
}