Java: List of Objects

//import java.util.HashMap;
//import java.util.Map;
import java.util.List;
import java.util.ArrayList;

class Java{
    public static void main(String args[]){
        //Create List of Players
        List<Player> list = new ArrayList<Player>();

        //Add Players
        list.add(new Player("Trayo"));
            list.add(new Player("404"));
            list.add(new Player("ZachDyer"));
            list.add(new Player("Skeet"));
            list.add(new Player("Avatar"));
            list.add(new Player("Trayo"));

            //Print out player usernames
            for(int i = 0; i < list.size(); i++){
                System.out.println(list.get(i).getUsername());
            }
    }
}