设计模式——适配器模式

public interface Brand {
   void info();
}

@Data
@AllArgsConstructor
@NoArgsConstructor
public abstract class Computer {
    protected Brand brand;
    public void info() {
        brand.info();
    }
}

public class Apple implements Brand {
    public void info() {
        System.out.print("This is Apple ");
    }
}

public class Lenovo implements Brand {
    public void info() {
        System.out.print("This is Lenovo ");
    }
}

public class Desktop extends Computer {
    public Desktop(Brand brand) {
        super(brand);
    }

    public Desktop() {
    }

    @Override
    public void info() {
        super.info();
        System.out.println("This is Desktop");
    }
}
public class Laptop extends Computer {

    public Laptop() {
    }

    public Laptop(Brand brand) {
        super(brand);
    }

    @Override
    public void info() {
        super.info();
        System.out.println("This is Laptop");
    }
}

public class Main {
    public static void main(String[] args) {
        Computer appleLaptop = new Laptop(new Apple());
        appleLaptop.info();

        Computer lenovoDesktop = new Desktop(new Lenovo());
        lenovoDesktop.info();
    }
}