Question

Exception in thread "main" java.lang.UnsupportedOperationException: Not supp

我想编一个通讯录程序用JAVA，下面给出代码，想实现添加人员的功能，求指教，小白一枚。
class Person{
String name;
String tel;
String email;

public void setName(String name){
this.name=name;
}
public String getName(){
return name;
}
public void setTel(String tel){
this.tel=tel;
}
public String setTel(){
return tel;
}
public void setEmail(String email){
this.email=email;
}

void setTel(int tel) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}

public class Tongxunlu1{
public static void main(String[] args) {

Person s=new Person();
s.setName("Allen");s.setTel(178542348);s.setEmail("1033704835@qq.com");
System.out.println("1.添加联系人");
System.out.println("2.修改联系人");
System.out.println("3.删除联系人");
System.out.println("4.查找联系人");
System.out.println("5.删除所有人");
System.out.println("6.查看所有人");
int i=3;
switch(i){
case 1:{Person a=new Person();
System.out.println("请输入姓名");
Scanner z = new Scanner(System.in);
a.setName(z.next());
}
}
}
}

Answer 1

void setTel(int tel) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}