java编写的删除文件的小程序,先通过对要删除的文件覆盖伪随机数,使得文件删除后不能被复原-document prepared by a small deletion procedures, first of the documents to delete coverage pseudo-random number that gave the document can not be deleted after rehabilitation

磁盘模拟程序，通过输入初始位置来寻道，产生随机数组并选择算法，最后用直线连接计算后的随机数组，输出结果。-Analog realization of SSTF and SCAN algorithms。By entering the initial position from either the road, resulting in a random array and selection algorithm, and finally connected with a straight calc