Kick

public class KickCommand implements CommandExecutor {
	Settings settings = Settings.getInstance();

	@Override
	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
		if(!(sender instanceof Player)) {
			sender.sendMessage("Only players can use this command!");
			return true;
		}
		Player player = (Player) sender;

		if(!player.hasPermission("essentials.kick")) {
			player.sendMessage(ChatColor.RED + "You don't have permission to use this command!");
			return true;
		}

		if(args.length < 2) {
			player.sendMessage(ChatColor.RED + "Usage: /kick <player> <reason>");
			return true;
		}

		Player target = Bukkit.getPlayer(args[0]);

		if(target == null) {
			player.sendMessage(ChatColor.RED + "Can't find player " + ChatColor.YELLOW + args[0] + ".");
			return true;
		}

		StringBuilder reason = new StringBuilder("");

		for (int i = 1; i < args.length; i++) {
			reason.append(args[i]).append(" ");
		}

		String msg = ChatColor.translateAlternateColorCodes('&', reason.toString().trim());

		Bukkit.broadcastMessage(ChatColor.YELLOW + target.getName() + ChatColor.RED + " has been kicked!");
		settings.getData().set(Essentials.getUUID(target) + ".kicks", 1);
		settings.saveData();
		target.kickPlayer(msg + " - " + player.getName());

		return true;
	}