Main Class

MAIN CLASS (WHERE I WANT TO CALL METHOD FROM):
package zane.core.game;

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.permissions.Permission;
import org.bukkit.plugin.java.JavaPlugin;

public class main extends JavaPlugin {

    public Permission playerPermission = new Permission("can.startarena");


    @Override
    public void onEnable() {
        new play(this);
        new teams(this);

    }

    @Override
    public void onDisable() {

    }

    public boolean onCommand(CommandSender sender, Command command,
            String label, String[] args) {
        if (command.getName().equalsIgnoreCase("arena")
                && sender instanceof Player) {

            Player player = (Player) sender;
            if (args.length < 2) {
                player.sendMessage(ChatColor.RED
                        + "You did not input the correct amount of args!");
            }
            if (args.length > 2) {
                player.sendMessage(ChatColor.RED
                        + "You did not input the correct amount of args!");
            }
            if (args.length == 2) {
                if (args[0].equalsIgnoreCase("join")) {
                    if (args[1].equalsIgnoreCase("red")) {


                    }
                    if (args[1].equalsIgnoreCase("blue")) {
                        // CALL METHOD HERE

                    }
                }
                if (args[0].equalsIgnoreCase("start")) {
                    if (player.hasPermission(playerPermission)) {
                        // CALL METHOD HERE
                    }
                }
            }
        }
        return false;
    }
}