问题描述
在上一个问题中，我了解了首选项API。不幸的是，这似乎只是用户特定的首选项。我还具有需要能够跨用户设置的首选项。在Java中使用平台无关的方法是什么？
In a previous question, I learned about the preferences API. Unfortunately, it only appears to be user-specific preferences. I also have preferences that need to be able to be set across users. What is the platform-independent way to do that in Java?
编辑：
但是下面有很好的信息自实施以来，我遇到了障碍...首先在我的开发盒上进行了测试（Win 7，关闭了UAC），它运行良好。在我的第一个测试VM上对其进行了尝试，但失败了...在启用UAC的Win 7上，写入失败（我可以先进行写入操作，然后进行读取操作，而不能得到刚放入的值）。
Good info below, however since implementing I ran into a snag... Tested first on my dev box (Win 7, UAC off) and it works fine. Tried it on the first of my test VMs and it fails... On Win 7 with UAC on, writes fail (I can do a write followed by a read and not get the value I just put in there).
推荐答案
和方法为您提供所需的内容。
The systemNodeForPackage() and systemRoot methods of the Preferences class give you just what you want.
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