模拟手机和手机卡号

来源：互联网发布：js记录访问次数编辑：程序博客网时间：2024/06/10 01:14

SIM.java

package phone;public abstract class SIM {public abstract void setNumber(String n);public abstract String giveNumber();public abstract String giveCorpName(); }

MobileTelephone.java

package phone;public class MobileTelephone {SIM card;public void useSIM(SIM card){this.card=card;}public void showMess(){System.out.println("使用的卡号是："+card.giveCorpName()+"提供的");System.out.println("手机号码是："+card.giveNumber());}}

SIMOfChinaMobile.java

package phone;public class SIMOfChinaMobile extends SIM {String number;public void setNumber(String n){number=n;}public String giveNumber(){return number;}public String giveCorpName(){return "中国移动";}}

SUMOfChianUnicon.java

package phone;public class SUMOfChianUnicon extends SIM{String number;public void setNumber(String n){number=n;}public String giveNumber(){return number;}public String giveCorpName(){return "中国联通";}}

test.java

package phone;public class test {public static void main(String[] args) {MobileTelephone telephone=new MobileTelephone();SIM sim=new SIMOfChinaMobile();sim.setNumber("13863857200");telephone.useSIM(sim);telephone.showMess();sim=new SUMOfChianUnicon();sim.setNumber("13097656437");telephone.useSIM(sim);telephone.showMess();}}

输出结果：