Configure environment variables java windows

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I've used the TMP environment variable to control things like where gcc writes it's temporary files, but I can't seem to find an equivalent for java's createTempFile API.

According to the java. File Java Docs. The default temporary-file directory is specified by the system property java. A different value may be given to this system property when the Java virtual machine is invoked, but programmatic changes to this property are not guaranteed to have any effect upon the the temporary directory used by this method.

By default this value should come from the TMP environment variable on Windows systems. It isn't reassuring that there's a way to do this other than on Windows. I don't know if the actual JDK6 follows these exact conventions, but by the behavior on each of the listed platforms, it seems like they do. For example in bash this would do the trick:. The recommended way to set the temporary directory location is to set the System property called "java. The property can also be changed from within a program by calling System.

If you don't explicitly set the "java. For other JVMs it could be something else. If you care about portability you should explicitly set the system property. This will display all java properties and system settings.

In this look for java. If you look in the source code of the JDK, you can see that for unix systems the property is read at compile time from the paths. For windows the function GetTempPathW from win32 returns the tmpdir name. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more.

Environment variable to control java. Ask Question. Asked 12 years, 1 month ago. Active 11 months ago. If you are a first time Java user then first step is to go to official Oracle website and download JDK.

Let me know if you face any issue installing Java on your laptop. Make sure to update Java version number as per your installation in above steps.

Happy coding and happy open sourcing. Ideally JRE provides runtime environment for your application. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Java and environment variables on Windows Ask Question. Asked 10 years, 11 months ago. Active 10 years, 11 months ago. Viewed 2k times. It works: on Windows in Eclipse Jetty and on Unix.

Thanks in advance! Andrey Minogin Andrey Minogin 4, 5 5 gold badges 34 34 silver badges 56 56 bronze badges. Add a comment. Active Oldest Votes.

That works. But System.