Java – How to Find the JRE on Windows

java

I know this question is going to sound very stupid but here goes nonetheless. I need to bundle the new version of the JRE with my applicaiton and I cannot find either a version of the JRE that is not in .exe nor can I find where the jre is installed to on Windows 7 (windows 7 search cannot find anything so it is not helpful). Can anyone tell me where I can download a version of the JRE the would be good to bundle or where I can find the path that windows installed the JRE too?

Best Answer

Not sure about Windows 7 but on Windows XP the installation defaults to C:\Program Files\Java\jre6

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HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment

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If you are using Linux/Unix/Mac OS X:

Try this:

$ which java

Should output the exact location.

After that, you can set JAVA_HOME environment variable yourself.

In my computer (Mac OS X - Snow Leopard):

$ which java
/usr/bin/java
$ ls -l /usr/bin/java
lrwxr-xr-x  1 root  wheel  74 Nov  7 07:59 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java

If you are using Windows:

c:\> for %i in (java.exe) do @echo.   %~$PATH:i

Best Answer

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