queuenode.java

源程序（包括最初的版本

package queue;

public class QueueNode
{
    Object element;
    QueueNode prior;
    QueueNode next;

    QueueNode() {}

    QueueNode(Object element)
    {
        this.element = element;
    }

    QueueNode(Object element, QueueNode prior,QueueNode next)
    {
        this.element = element;
        this.prior = prior;
        this.next = next;
    }

}