Commande JAVA Minecraft

public boolean onCommand(CommandSender sender, Command command, String commandLabel, String[] args) {

    Player p = (Player) sender;

    if(args.length == 0){
        if(commandLabel.equalsIgnoreCase("TUTO")){

            p.sendMessage("§4Vous avez bien entrer la commande");
        }
    }
    return false;
}