If the first operand is an int or long, the right-shift is an arithmetic shift (high-order empty bits are set to the sign bit).是什么意思_If the first operand is an int or long, the right-shift is an arithmetic shift (high-order empty bits are set to the sign bit).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句