页面置换的先进先出和最近最久未使用算法

这是一个用java实现的模拟操作系统的进程调度的FIFO算法和LRU算法。程序默认设置的系统分配给进程的页面数为3个、-This is a simulation using java operating system to achieve the process of the FIFO scheduling algorithm and LRU algorithm. Procedures for the allocation of the default settings of the syste