上机练习2 类与对象

最新推荐文章于 2021-03-16 05:39:21 发布

原创最新推荐文章于 2021-03-16 05:39:21 发布 · 285 阅读

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编写代码模拟手机与SIM卡的组合关系。

要求：

SIM卡类负责创建SIM卡；

Phone类负责创建手机；

手机可以组合一个SIM卡；

手机可以更换其中的SIM卡。

package test;

public class test {  
	public static void main(String args[]) {  
     Phone phone = new Phone();  
     SIM simOne = new SIM();  
      SIM simTwo = new SIM();  
        
     simOne.setsNum(103545);  
       simTwo.setsNum(103436);  
        
     phone.setpSIM(simOne);  
     System.out.println("手机卡号为:"+phone.getpSIM().getsNum());  
      phone.setpSIM(simTwo);  
      System.out.println("更换手机卡号为:"+phone.getpSIM().getsNum());  
   }  

}

package test;

public class Phone {  
   private SIM pSIM;   //手机卡  
   
public SIM getpSIM() {  
      return pSIM;  
  }  
public void setpSIM(SIM pSIM) {  
	this.pSIM = pSIM;  
	}  


}

package test;
public class SIM {  
  private int sNum; //卡号  
   public int getsNum() {  
	   return sNum;  
   }  

   public void setsNum(int sNum) {  
       this.sNum = sNum;  
   }  


}

package test;
public class test{
public static void main(String[] args) {
	CPU cpu=new CPU();
	cpu.setSpeed(3000);
	HardDisk disk=new HardDisk();package test;

public class CPU {
		int speed;
		void setSpeed(int m) {
			speed=m;
		}
		int getSpeed() {
			return speed;
		}
		}

disk.setAmount(500); PC pc=new PC(); pc.setCPU(cpu); pc.setHardDisk(disk); pc.show();}}

package test;

public class PC {
CPU cpu;
HardDisk HD;
void setCPU(CPU c) {
	cpu=c;
}
void setHardDisk(HardDisk h) {
	HD=h;
}
void show() {
	System.out.println("CPU的速度："+cpu.getSpeed());
	System.out.println("硬盘的容量："+HD.getAmount());
}
}

package test;

public class CPU {
		int speed;
		void setSpeed(int m) {
			speed=m;
		}
		int getSpeed() {
			return speed;
		}
		}

package test;

public class HardDisk {
		int amount;
		void setAmount(int m) {
			amount=m;
		}
		int getAmount() {
			return amount;
		}
	}