solve readers-writers problem with RMI

英国帝国理工学院电脑系多线程课程教学材料之十一 ---- 读取者与写入者范例-The program allows Readers concurrent access to a resource while restricting Writers to exclusive access. Thread access to the shared resource is depicted by a light blue (cyan) arc segment. It is possible by st

英国帝国理工学院电脑系多线程课程教学材料之十二 ---- 读取者与写入者范例（starvation修正版）-This version gives priority to Writers by making Readers defer to waiting Reader threads. Consequently, Writers do not starve, however, giving Writers priority means that Readers may starve.

写一个多线程的程序实现读者和写者能够共享文件，文件里保存一篇文章，写者可以修改，读者可以阅读。-Write a multithreaded program, readers and writers to share files, file save an article writer can modify, readers can read.