Set<String> left = new HashSet<String>();
Set<String> noTeam = new HashSet<String>();
if ((sender instanceof Player) && args.length == 2) {
Team team = mainScoreboard.getPlayerTeam((Player) sender);
if (team != null) {
team.removePlayer((Player) sender);
left.add(sender.getName());
} else {
noTeam.add(sender.getName());
}
} else {