说明的是用在客户端输入两个数字，在服务器端实现其加法运算，然后返回结果给客户端的rmi例子，这个例子较为复杂。此例子经过本人的调试通过。欢迎大家享用。-descr iptions are used in the importation of two client figures on the server side to achieve its addition operations, then return to the findings to the client rmi example,