位操作:&续扔、|
邏輯操作: &&、||
邏輯操作只返回true 或 false
x = 0x66
y = 0x39
- x&y =
01100110 &
00111001 =
00100000
0x20 - x|y =
01100110 |
00111001 =
01111111
0x7F -
x|y
10011001 |
11000110 =
11011111 - x&!y
01100110 &
11000110 =
01000110 - x&&y
01100110 &&
00111001 =
0x01 - x || y = 0x01
- !x || !y = 0x01
- ~x | ~y = 0x01
- x&!y
&: 按位與 將數(shù)字轉(zhuǎn)為二進(jìn)制后進(jìn)行與運(yùn)算
&&:邏輯與 對(duì)兩數(shù)判斷進(jìn)行邏輯與判斷true false