While talking about bit operation, programmers usually think about its efficiency. In embedded programming and system core optimization, appropriate use of bit operations is always a fascinating. When finding a job, it will help you a lot if you use bit operations when writing codes. Mastering simple bit arithmetic skills is necessary.1. Get maximum int valueint getMaxInt(){          return (1 << 31) - 1;//2147483647，   }  Another way:int getMaxInt(){     &nbs...