How do I detect whether 32-bit Java is installed on x64 Windows, only looking at the filesystem and registry?

Question

I need to determine whether a particular system has 32-bit Java installed. I\'m doing a remote query that only gives me access to the filesystem and registry, so I cannot a

Answer 1

This seems to provide the info on Windows:

1.) Open a windows command prompt.

2.) Key in: java -XshowSettings:all and hit ENTER.

3.) A lot of information will be displayed on the command window. Scroll up until you find the string: sun.arch.data.model.

4.) If it says sun.arch.data.model = 32, your VM is 32 bit. If it says sun.arch.data.model = 64, your VM is 64 bit.