电脑

电脑类

package cn.computer;

public class Computer {
    private CPU cpu;
    private EMS ems;
    private HardDisk hardDisk;
    public void print() {
        System.out.println("CPU的品牌是："+cpu.pingpai()+"，主频是："+cpu.zhuping()+"Ghz");
        System.out.println("硬盘 的类型是："+ems.type()+"硬盘容量是："+ems.capacity()+"GB");
        System.out.println("内存容是："+hardDisk.capacity()+"GB");
    }
    
    
    
    
    
    
    
    
    public CPU getCpu() {
        return cpu;
    }
    public void setCpu(CPU cpu) {
        this.cpu = cpu;
    }
    public EMS getEms() {
        return ems;
    }
    public void setEms(EMS ems) {
        this.ems = ems;
    }
    public HardDisk getHardDisk() {
        return hardDisk;
    }
    public void setHardDisk(HardDisk hardDisk) {
        this.hardDisk = hardDisk;
    }
    
    
    
    
    
    
}

接口类

package cn.computer;
//接口
public interface CPU {
    public String pingpai();
    public double zhuping();
}
package cn.computer;
//接口
public interface EMS {
    public String type();
    public int capacity();
}
package cn.computer;
//接口
public interface HardDisk {
    public int capacity();
}

接口实现类

package cn.computer;

public class C1 implements CPU{
    public String pingpai() {
        return  "Intel";
    }
    public double zhuping() {
        //double z = 3.8;
        return 3.8;
    }
}
package cn.computer;

public class E2  implements EMS{
    public String type() {
        return "富士康";
    }
    public int capacity() {
        return 3000;
    }

}
package cn.computer;

public class H3 implements HardDisk{
    public int capacity() {
        return 4;
    }
}

测试类

package cn.computer;

public class Test {
        public static void main(String[] args) {
            Computer computer = new Computer();
            System.out.println("计算机的信息如下：");
            CPU cpu = new C1();
            EMS ems = new E2();
            HardDisk hardDisk = new H3();
            computer.setCpu(cpu);;
            computer.setEms(ems);
            computer.setHardDisk(hardDisk);
            computer.print();
        }
}