用接口实现组装一台计算机

实现思路：

1：分别建立CPU、硬盘、内存的接口

2：分别实现CPU、硬盘、内存

3：将CPU、硬盘、内存组装到计算机

4：测试

package com.hanshuo.demo03;

/**
 * @Author:dongfang
 * @Date:2022/3/25
 * @time:17:01
 * @Description:cpu接口实现类
 */
public class CpuInstantiate implements CPU {
    @Override
    public String cpuInfo() {
        return "Intel,主频是:3.8GHz";
    }
}

/**
 * @Author:dongfang
 * @Date:2022/3/25
 * @time:17:06
 * @Description:内存实现类
 */
public class EmsInstantiate implements EMS {
    @Override
    public String emsInfo() {
        return "4GB";
    }
}

/**
 * @Author:dongfang
 * @Date:2022/3/25
 * @time:17:04
 * @Description:硬盘实现类
 */
public class HardDiskInstantiate implements HardDisk {
    @Override
    public String hardDiskInfo() {
        return "3000GB";
    }
}


/**
 * @Author:dongfang
 * @Date:2022/3/25
 * @time:17:13
 * @Description:组装计算机
 */
public class Computer {

    private CpuInstantiate cpu=new CpuInstantiate();
    private HardDiskInstantiate hardDisk=new HardDiskInstantiate();
    private EmsInstantiate ems=new EmsInstantiate();

    public   void  print(){

        System.out.println("计算机信息如下：");
        System.out.println("CPU的品牌是："+cpu.cpuInfo());
        System.out.println("硬盘容量是："+hardDisk.hardDiskInfo());
        System.out.println("内存容量是："+ ems.emsInfo());
    }
}


/**
 * @Author:dongfang
 * @Date:2022/3/25
 * @time:17:08
 * @Description:测试类
 */
public class Test {
    public static void main(String[] args) {
    Computer computer=new Computer();//实例化computer
    computer.print();
    }

}