Since the logical and bitwise operators have a lower precedence than other arithmetic and relational operators , any bitwise operations should be enclosed in parentheses to ensure accurate execution . for example , 5 因為邏輯和按位運算符的優(yōu)先級低于其他算術和關系運算符,所以應將所有按位運算括在括號中以確保準確的執(zhí)行。