适配器模式

// 手机usb接口
public interface UsbPhone {
    String getName();
}

--------
// 电脑usb接口
public class UsbCom {
    public String getName(){
        return "电脑USB";
    }
}

// 对象适配器 使用组合
public class UsbTransition implements UsbPhone{
    private UsbCom usbCom;
    public UsbTransition(UsbCom usbCom){
        this.usbCom = usbCom;
    }
    @Override
    public String getName() {
        String name = usbCom.getName();
        return "手机USB";
    }
}

   public static void main(String[] args) {
        // 需要转换的类
        UsbCom usbCom = new UsbCom();
        // 转换类
        UsbTransition usbTransition = new UsbTransition(usbCom);
        String name = usbTransition.getName();
  }

// 类的适配器 使用继承
public class UsbAdpater extends  UsbCom implements UsbPhone{
    @Override
    public String getName() {
        return "手机usb";
    }
}

// 电脑USB
public class UsbCom {
    public String getName(){
        return "电脑USB";
    }
    public String playCode(){
        return "敲代码";
    }
}

  public static void main(String[] args) {
        UsbAdpater usbAdpater = new UsbAdpater();
        usbAdpater.playCode();
    }