int a = 35; int b = 900; a |= b; ==>a = a|b |是按位或操作,就是只要有一个1就是1,两个都是0才是0a != b -----> a = a | b a &= b -----> a = a & b a ^= b -----> a = a ^ b 转载于:https://www.cnblogs.com/tank-/p/8257726.html