Java设计模式以虹猫蓝兔的故事讲解桥接模式

public interface Color {
    void show();
}

public class ColorYellow implements Color {
    @Override
    public void show() {
        System.out.println("黄色的");
    }
}

public class ColorRed implements Color {
    @Override
    public void show() {
        System.out.println("红色的");
    }
}

abstract class Qun {
    protected Color color;
    protected Qun() {
    }
    protected Qun(Color color) {
        this.color = color;
    }
    public abstract void shows();
}

public class QunChang extends Qun {
    protected QunChang() {
    }
    protected QunChang(Color color) {
        super(color);
    }
    @Override
    public void shows() {
        System.out.println("长裙");
        color.show();
    }
}

public class QunDuan extends Qun {
    protected QunDuan() {
    }
    protected QunDuan(Color color) {
        super(color);
    }
    @Override
    public void shows() {
        System.out.println("短裙");
        color.show();
    }
}

public class Demo {
    public static void main(String[] args) {
        Color color = new ColorRed();
        Qun qun = new QunChang(color);
        qun.shows();
    }
}