package task1; /** * Queue 实现 */ public class MyQueue<T> { private MyLinkedList<T> elementData = new MyLinkedList<T>(); public void enQueue(T o) { elementData.addFirst(o); } public T deQueue() { return elementData.removeLast(); } public boolean isEmpty() { return elementData.size() == 0; } public int size() { return elementData.size(); } }