String ip1 = _playerOne.player.getClient().getConnection().getInetAddress().getHostAddress();
String ip2 = _playerTwo.player.getClient().getConnection().getInetAddress().getHostAddress();
if (ip1.equals(ip2))
{
_playerOne.player.sendMessage("Game ended, your opponent has the same ip as you.");
_playerTwo.player.sendMessage("Game ended, your opponent has the same ip as you.");
//εδώ σταματάς το κώδικα
}
αυτό θες