设计模式之桥接模式

public abstract class PhoneApp {
    public abstract void funcion();
}

public class PhotoPhone extends PhoneApp{
    @Override
    public void funcion() {
        System.out.println("拍照手机！");
    }
}

public class PayPhone extends PhoneApp{
    @Override
    public void funcion() {
        System.out.println("买买买的手机。");
    }
}

public abstract class PhoneBrand {
    protected PhoneApp phoneApp;

    public void setPhoneApp(PhoneApp phoneApp) {
        this.phoneApp = phoneApp;
    }

    public void operation() {
        phoneApp.funcion();
    }
}

public class MyPhone extends PhoneBrand{
    @Override
    public void operation() {
        phoneApp.funcion();
    }
}

public class BridgeDemo {
    public static void main(String[] args) {
        PhoneBrand myPhone = new MyPhone();

        PhoneApp photoPhone = new PhotoPhone();
        myPhone.setPhoneApp(photoPhone);
        myPhone.operation();

        PhoneApp payPhone = new PayPhone();
        myPhone.setPhoneApp(payPhone);
        myPhone.operation();
    }
}