是否有可能在java中检测处理器架构？

问题描述

是否有可能在java中检测处理器架构？像x86或sun SPARC等？如果是这样，我将如何去做？

Is it possible to detect processor architecture in java? like x86 or sun SPARC, etc? If so, how would I go about doing it?

推荐答案

你可以试试获取环境变量，使用 PROCESSOR_ARCHITECTURE 获取CPU架构的关键：

You can try the System.getenv() to get environment variables, use the PROCESSOR_ARCHITECTURE Key to get the CPU-architechture:

System.out.println(System.getenv("PROCESSOR_ARCHITECTURE"));

或64位的情况：

System.out.println(System.getenv("PROCESSOR_ARCHITEW6432"));

另一种方式是使用os.arch：

The other way would be to use the "os.arch" system property:

System.getProperty("os.arch");

您可能需要在使用 System.getProperty（之前获取操作系统os.name）因为这是操作系统依赖的，因为QMuhammad在他的回答中提到过。

and you may need to get the OS before using System.getProperty("os.name") since this is OS dependent as QMuhammad mentioned in his answer.

注意：

相关链接：

• System.getenv() doc
• ChrisH's answer
• Why %processor_architecture% always returns x86 instead of AMD64
• Java's "os.arch" System Property is the Bitness of the JRE, NOT theOperating System
• Finding out sytem architecture using Java

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