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.

班级人事管理系统 设计一个人事管理的People(人员)类，从People(人员)类派生出student(学生)类，对People类重载＂＝＝＂运算符和＂＝＂运算符，＂＝＝＂运算符判断两个People类对象的id属性是否相等；＂＝＂运算符实现People类对象的赋值操作．定义一个对People类对象数组按编号排序的函数，一个按编号查找people对象的函数．-The class of personnel management system Design of a personnel