题解 | #排队系统#

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 deque = new ArrayDeque<>(); deque.add(guest1); deque.add(guest2);

    //write your code here......
    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;

}

}