public class Battleship { public static void main(String[] args){ if (args.length != 2){ System.err.println("Usage: java Battleship N config-file"); System.exit(0); } int testint; try { testint = Integer.parseInt(args[0]); } catch (NumberFormatException nfe) { System.err.println("Usage: java Battleship N config-file"); } try { testint = Integer.parseInt(args[0]); if(testint < 5); } catch (NumberFormatException nfe) { System.err.println("Board must be at least 5 by 5."); } try { testint = Integer.parseInt(args[0]); if(testint > 26); } catch (NumberFormatException nfe) { System.err.println("Board must be at most 26 by 26."); } }}