本程序是实现逻辑地址到物理地址的转换，以及用java实现的随机产生颜色,并画圆等-This procedure is to achieve the logical address to physical address translation, and the realization of the randomly generated java color, and drawcircle, etc.

java编写的一些课后小作业，简单易行，很不错的-after the preparation of some java small operations, is simple, very good