如何判断jar是在64位还是32位系统上编译？ [英] How can I tell if a jar was compiled on a 64bit or 32bit system?

问题描述

我有一个jar但是我不知道它是64位系统还是32位系统的 .jar 。如何找到它？

I have a jar but I don't know if it is a .jar for a 64bit system or for a 32bit system. How to find that out?

编辑：我的 .jar 具有本机库依赖。

My .jar has native library dependency.

推荐答案

Java字节码是java字节码，无论是用32位还是64位JDK构建都无关紧要想一想。

Java bytecode is java bytecode, it doesn't matter whether it was built with a 32-bit or 64-bit JDK and there is no way to figure this out.

我认为使用32位或64位编译的jar没有任何区别。它应该与机器无关;除非您有一些本机库依赖项或者java代码直接编译为本机代码。

I think it does not make any difference to have a jar compiled with 32-bit or 64-bit. It should be machine-independent; unless you have some native library dependency or the java code is directly being compiled to native code.

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