launches the Java runtime and prepares it to be used from Mathematica.
- To use InstallJava, you first need to load J/Link using Needs["JLink`"].
- Only one Java runtime is ever launched; subsequent calls to InstallJava after the first have no effect.
- The following options can be given:
ClassPath Automatic use the specified directories and .jar files CommandLine Automatic specify a command line to launch the JVM