Queue.java

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package com.bmk.crawler;

import java.util.LinkedList;

/**
 * 数据结构队列
 */
public class Queue<T> {

    private LinkedList<T> queue = new LinkedList<T>();

    public void enQueue(T t) {
        queue.addLast(t);
    }

    public T deQueue() {
        return queue.removeFirst();
    }

    public boolean isQueueEmpty() {
        return queue.isEmpty();
    }

    public boolean contians(T t) {
        return queue.contains(t);
    }

    public boolean empty() {
        return queue.isEmpty();
    }
}