public class BT2Arena {

    //you want some info about the arena stored here
    public int id = 0;//the arena id
    public Location spawn = null;//spawn location for the arena
    List<String> players = new ArrayList<String>();//list of players

    //now let's make a few getters/setters, and a constructor
    public BT2Arena(Location loc, int id){
        this.spawn = loc;
        this.id = id;
    }

    public int getId(){
        return this.id;
    }

    public List<String> getPlayers(){
        return this.players;
    }
}