public static void main(String[] args) { int n = 20, maxval = 20; if (args.length == 0) { System.out.println("You must specify f or s as first argument"); System.exit(0); } String choice = args[0]; if (args.length > 1) { n = Integer.parseInt(args[1]); } if (args.length > 2) { maxval = Integer.parseInt(args[2]); } Mode m = new Mode(n, maxval); if (choice.equals("s")) { System.out.println("slow modecount = " + m.mode()); } else { System.out.println("fast modecount = " + m.fastmode()); } }