import java.util.*;
public class Main {
public static void main(String[] args) {
Guest guest1 = new Guest("小明",false);
Guest guest2 = new Guest("小军",false);
Guest vipGuest = new Guest("小红",true);
Deque<Guest> deque = new ArrayDeque<>();
deque.add(guest1);
deque.add(guest2);
deque.addFirst(vipGuest);
System.out.println(deque);
}
}
class Guest{
String name;
Boolean vip;
@Override
public String toString() {
return name;
}
public Guest(String name, Boolean vip) {
this.name = name;
this.vip = vip;
}
}