双到长而在Java中没有转换 [英] double to long without conversion in Java

问题描述

我需要将double转成long保留其二进制结构，而不是数值。只是改变类型，但保留二进制值。

I need to turn double into long preserving its binary structure, not number value. Just change type, but leave binary value as it is. Is there a native way to do it?

推荐答案

有 Double 与doubleToLongBits和doubleToLongRawBits。 Javadoc是您的朋友。

There is Double with to doubleToLongBits and doubleToLongRawBits. Javadoc is your friend.

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