网络爬虫中的Queue源码

//队列，保存将要访问的URL
package url;


import java.util.LinkedList;


public class Queue {
//使用链表实现队列
private LinkedList queue = new LinkedList();

//入队列
public void enQueue(Object t){
queue.addLast(t);
}

//出队列
public Object deQueue(){
return queue.removeFirst();
}

//判断队列是否为空
public boolean isQueueEmpty(){
return queue.isEmpty();
}

//判断队列是否含有t
public boolean contians(Object t){
return queue.contains(t);
}

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