这个人很懒,暂无签名信息
导读: 一、什么是文件系统 (Filesystem); A directory structure contained within a disk drive or disk area. The total available disk space can be composed of one or more filesystems. A filesystem must be mounte...
Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example: Given a = 1 and b = 2, return 3. 不用+和-号,其实也就是用其他运算符来模拟这个实现过程;Java中最重要的一种工具就是位运算:& | ^ ~...