package util;
import java.util.*;
public class MyQueue {
	private LinkedList ll=new LinkedList();
	public void put(Object o){
		ll.addLast(o);//隊列是先進先出的數據結構,壓入隊列的應該是最后一個元素.
	}
	public Object get(){
		return ll.removeFirst();//移除并返回隊列中的第一個元素.
	}
	public boolean empty(){
		return ll.isEmpty();
	}
	public static void main(String[] args) {
		MyQueue mq=new MyQueue();
		mq.put("one");
		mq.put("two");
		mq.put("three");
		System.out.println(mq.get());
		System.out.println(mq.get());
		System.out.println(mq.get());
		System.out.println(mq.empty());
	}

}