code: private static String[] extractCommandArgs(String[] args, int commandIndex) {
  	String[] commandArgs = new String[args.length - commandIndex - 1];
  
  	System.arraycopy(args, commandIndex + 1, commandArgs, 0, args.length - commandIndex - 1);
  
  	return commandArgs;
      }
docs: Extracts the command-specific arguments from the all arguments array.
  
  @param args
  - All arguments.
  @param commandIndex
  - Index of the command.
  @return - Command-specific arguments.