用java语言中的数组来实现队列，其中扩容方法为在原数组的基础上乘以2，另外也测试了用java中Vector类实现队列。-Array using java language java Vector class queue queue, which expansion method is superior to the original array 2, is also tested.

用java实现的队列操作,其中包括增加,删除,修改及查询操作-In the Java implementation of queue operations, including increase, delete, modify, and query operations