Check Java is present before installing

Question

I\'m creating an Inno Setup installer for a jar app. What I want to do right now is to check if java is present before proceeding with the install. So I only need to be sure the

Answer 1

For your third question, see here, under the Trademark and Licensing section. Exec summary: you can distribute the JRE along with your app. I think a few apps do this to ensure they do not have version compatibility issues - i.e install the JRE in a subfolder of the app itself.

As far as being in the PATH, why is that important? You can create a shortcut that refers to java.exe by its full path to run your app. Is it important that the user start the program via the command line themselves?