code: public static ProcessBuilder getProcessBuilder(Class<?> mainClass, String...args) throws LauncherException
  	{
  		return getProcessBuilder(mainClass, Arrays.asList(args));
  	}
docs: Get a process loader for a JVM. The class path for the JVM
  is computed based on the class loaders for the main class.
  @param mainClass Main class to run
  @param args Additional command line parameters
  @return ProcessBuilder that has not been started.