set default socket options: IPV6_V6ONLY, SO_REUSEADDR
committer: Markus Bröker <mbroeker@largo.homelinux.org>
public class Test { public static void main (String args[]) { int i; try { i = Integer.parseInt (args[0]); System.out.printf ("%d%n", i + 5); } catch (Exception e) { e.printStackTrace (); } }}