循环队列演示，可以初始化队列大小，插入队列，出队列以及清空队列-Circular Queue demo, you can initialize the queue size, insert the queue, dequeue, and clear the queue

使用Java队列存储对象。 LinkedList创建队列。 offer()插入 poll()遍历并移除-Store objects in Java Queue Create Queue by LinkedList offer() to enqueue poll() to traverse and dequeue

Implement Queue with floating head bounded Array.Enqueue employee objects (created by reading the emp.txt file) in Queue and dequeue.