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- package com.company;
-
- public class Main
- {
- public static void main(String[] args)
- {
- TV haierTV = new TV();
- haierTV.setChannel(5);
- System.out.println(haierTV.getChannel());
- Family zhangSanFamily = new Family();
- zhangSanFamily.buyTV(haierTV);
- System.out.println("zhangSanFamily开始看电视节目");
- zhangSanFamily.seeTV();
- int m = 2;
- System.out.println("zhangSanFamily将电视更换到" + m + "频道");
- zhangSanFamily.remoteControl(m);
- System.out.println("haierTV的频道是" + haierTV.getChannel());
- System.out.println("zhangSanFamily在看电视节目");
- zhangSanFamily.seeTV();
-
- }
- }
-
- class TV
- {
- int channel;
- void setChannel(int m)
- {
- if(m >= 1)
- {
- channel = m;
- }
- }
- int getChannel()
- {
- return channel;
- }
- void showProgram()
- {
- switch (channel)
- {
- case 1:
- System.out.println("综合频道");
- break;
- case 2:
- System.out.println("经济频道");
- break;
- case 3:
- System.out.println("文艺频道");
- break;
- case 4:
- System.out.println("国际频道");
- break;
- case 5:
- System.out.println("体育频道");
- break;
- default:
- System.out.println("不能收看" + channel + "频道");
-
- }
- }
- }
- class Family
- {
- TV homeTV;
- void buyTV(TV tv)
- {
- homeTV = tv;
- }
- void remoteControl(int m)
- {
- homeTV.setChannel(m);
- }
- void seeTV()
- {
- homeTV.getChannel();
- }
-
- }
-
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