code: public static ProcessBuilder getProcessBuilder(String mainClass, List<URL> classPath, String...args) throws LauncherException
  	{
  		return getProcessBuilder(mainClass, classPath, Arrays.asList(args));
  	}
docs: Get a process loader for a JVM.
  @param mainClass Main class to run
  @param classPath List of urls to use for the new JVM's
  class path.
  @param args Additional command line parameters
  @return ProcessBuilder that has not been started.