java上机实验

public class Tv {

int channel;
void setchannel(int a){

channel=a;
}
int getchannel(){
return channel;
}
void showprogram(){
switch(channel){
case 1:System.out.println("正在观看CCTV1");
break;
case 2:System.out.println("正在观看CCTV2");
break;
case 3:System.out.println("正在观看CCTV3");
break;
case 4:System.out.println("正在观看CCTV4");
break;
case 5:System.out.println("正在观看CCTV5");
break;
case 6:System.out.println("正在观看CCTV6");
break;
case 7:System.out.println("正在观看CCTV7");
break;
default:
System.out.println("对不起！没有此节目！");
break;
}
}

}

public class Famliy {
Tv tv;
void buyTv(Tv tv){
System.out.println("恭喜您买到古尊牌大彩电！");
this.tv=tv;
}
void remmoteControl(int m){
tv.setchannel(m);
}
void seetv(){
tv.showprogram();
}

}

import java.util.Scanner;
public class Test {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Tv tv= new Tv();
int ss;
System.out.println("请输入您想看额频道：");
Scanner sc=new Scanner(System.in);
ss=sc.nextInt();
tv.setchannel(ss);
tv.showprogram();
Famliy s=new Famliy();
s.buyTv(tv);
System.out.println("请输入您想看额频道：");
int s1=sc.nextInt();
s.remmoteControl(s1);
s.seetv();

}