java - ~ 和 ! 和有什么不一样？运算符(operator)？

Question

请告诉我 ~ 和 ! 之间的区别java中的运算符。

Answer 1

~ 是 bitwise complement operator :

The unary bitwise complement operator "~" inverts a bit pattern; it can be applied to any of the integral types, making every "0" a "1" and every "1" a "0". For example, a byte contains 8 bits; applying this operator to a value whose bit pattern is "00000000" would change its pattern to "11111111".

! 是 logical complement operator 。它反转 boolean 值。