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| package com.doumee.keyCabinet.utils;
|
| import java.util.ArrayList;
| import java.util.List;
|
| // 顺序队列示例（循环队列,先进后出）
| public class CircularQueue {
| List<String> list = new ArrayList<>(10);
|
| public void enqueue(String element){
| if(list.size()==10){
| list.remove(0);
| }
| list.add(element);
| }
|
| public String dequeue(){
| //从最后取
| if(list.size()==0){
| return null;
| }
| String element = list.get(list.size()-1);
| list.remove(list.size()-1);
| return element;
| }
| }
|
|
