import java.util.*;
public class Student1 {
private String StuNo;
private String StuName;
private int age;
private String email;
public Student1(String StuNo,String StuName,int age,String email){
this.StuNo=StuNo;
this.age=age;
this.StuName=StuName;
this.email=email;
}
public String getStuNo(){
return StuNo;
}
public void setStuNo(String StuNo){
this.StuNo=StuNo;
}
public String getStuName(){
return StuName;
}
public void setStuName(String StuName){
this.StuName=StuName;
}
public int getAge(){
return age;
}
public void setAge(int age){
this.age=age;
}
public String getEmail(){
return email;
}
public void setEmail(){
this.email=email;
}
public static void main (String [] args){
Student1 s1=new Student1("1","l4",18,"qwe@qq");
Student1 s2=new Student1("2","w5",19,"asd@sina");
Student1 s3=new Student1("3","z6",20,"zxcv@shou");
Student1 s4=new Student1("4","t7",21,"hkl@163");
Set set=new HashSet();
set.add(s1);
set.add(s2);
set.add(s3);
set.add(s4);
Iterator it=set.iterator();
while(it.hasNext()){
System.out.println(it.next());
}
}