'>>'是二元移位运算符.它将其左操作数(在您的示例中为x)的位向右移动其右侧操作数(在您的示例中为1)中指定的数字.
示例:
假设x的值为16.这是二进制的,为10000.
x = 16; // x = 0b10000 = 16
所以"x >> 1"的值为二进制值1000,或十进制值为8.
i = x >> 1; // i = 0b01000 = 8
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