public static void main(String[] args) { if (args.length != 1) { printHelp(); return; } if (args[0] == "-h" || args[0] == "--help") { printHelp(); return; } try { Labyrinth labyrinth = new Labyrinth(args[0]); System.out.println( "Labyrinth width: " + labyrinth.getWidth() + " height: " + labyrinth.getHeight()); JFrame f = new JFrame(); f.add(labyrinth); f.pack(); f.setVisible(true); } catch (Exception e) { System.out.println(e); } }