接口实例

package 面向对象;

public interface ICPU {

    //定义CPU接口
    public void PinPai1();
    public void Name1();
    public void XingHao1();
    
}



public interface IScrean {

    //定义显示器接口
    public void PinPai2();
    public void XingHao2();
    public void Size2();
}



public class SHIXIAN implements ICPU, IScrean {
    //实现接口
    @Override
    public void PinPai2() {
        System.out.println("中华映管");

    }

    @Override
    public void XingHao2() {
        System.out.println("CPT17AB");

    }

    @Override
    public void Size2() {
        System.out.println("14英寸");

    }

    @Override
    public void PinPai1() {
        System.out.println("Intel");

    }

    @Override
    public void Name1() {
        System.out.println("酷睿");

    }

    @Override
    public void XingHao1() {
        System.out.println("LGA2011");

    }

}



//创建电脑类
public class Computer {

    //定义成员变量
    private ICPU cpu;
    private IScrean screan;
    //生成get、set方法
    public ICPU getCpu() {
        return cpu;
    }
    public void setCpu(ICPU cpu) {
        this.cpu = cpu;
    }
    public IScrean getScrean() {
        return screan;
    }
    public void setScrean(IScrean screan) {
        this.screan = screan;
    }
    //成员方法
    public boolean zuzhuang()
    {
        boolean b = false;
        if(cpu==null)
        {
            System.out.println("没有CPU，电脑未组装成功。");
            b = false;
        }
        else if(screan == null)
        {
            System.out.println("没有显示器。电脑未组装成功。");
            b = false;
        }
        else
        {
            System.out.println("有CPU,有显示器。电脑组装成功。");
            b = true;
        }
        return b;
        
    }
}



//测试
public class testcar {

    public static void main(String[] args) {

        Computer computer = new Computer();
        computer.setCpu(new SHIXIAN());
        computer.setScrean(new SHIXIAN());
        computer.zuzhuang();
   }
}