Java Creating Object Arrays

I can't seem to work out these object arrays, I'm attempting to create a list of player names with values stored, each with an integer and some multiple strings for each.

This is what i'm working on so far, were object arrays the correct storage package for this? The error was in line 237 when I try to add a player in the class addPlayer: player[userCount].setName(name);

The error is:- Exception in thread "main" index out of bounds.

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

public class PlayerKarma {

    static Scanner input = new Scanner(System.in);

    static private String[] username = {"name1","name2","test","moretesting","fervor","stackoverflow","imported","quaternion","jetstream"};
    static private int[] karma = {1000,800,800,5,15,-4,-403,54,11,210};
    static private boolean exit = false;
    static private int maxKarmaChange = 10; //How much a players karma can change per day.
    static Player[] userArray = new Player[10000];
    //ArrayList<Player> userArray = new ArrayList<Player>();
    static private int userCount = 0;

    public static void main(String[] args) 
    {
        while (!exit)
        {
        System.out.println("");
        System.out.println("Select an option");
        System.out.println("1: Display a player's karma");
        System.out.println("3: Display all player names and karma");
        System.out.println("5: Add player");

        String command = input.nextLine();
        switch(command)
            {
            //Display player's karma.
            case "1": {
                System.out.println("Enter a player's name: ");
                String inputString = input.nextLine();
                int playerindex = findPlayer(inputString);

                if (playerindex == -1)
                    {
                    System.out.println("Player doesn't exist");
                    }
                else //If the player exists.
                    {
                    System.out.println(userArray[playerindex].getName() + " has a karma of " + karma[userArray[playerindex].getKarma()]);
                    break;
                    }

                break;}

            //Display all player names and karma.
            case "3": {getAllPlayerKarma(); sleep(1500); break;}

            //Add player.
            case "5": {
                System.out.println("Enter a player's name:");
                String inputString = input.nextLine();

                if (userCount > 0) //If there is at least one user in the database.
                {
                int playerindex = findPlayer(inputString);

                if (playerindex == -1)
                    {
                    addPlayer(inputString,0);
                    }
                else //If the player exists.
                    {
                    break;
                    }
                }
                else //If there's no users.
                {
                    addPlayer(inputString,0);
                }
                break;}
            }
        }
    }

    //Class creation for players.
    public class Player
    {
        public String name;
        public int karma;
        //public String[] notes = new String[5];

        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
        public int getKarma() {
            return karma;
        }
        public void setKarma(int karma) {
            this.karma = karma;
        }
    }

    private static void getAllPlayerKarma() {
        System.out.println("");
        for (int k = 0; k < userCount; k++)
        {
            System.out.println(userArray[k].getName() + " has a karma of " + userArray[k].getKarma());
        }
    }

    private static void setAllPlayerKarma(String karmaValue) {
        System.out.println("");
        for (int k = 0; k < username.length; k++)
        {
            int parseKarma = Integer.parseInt(karmaValue);
            karma[k] = parseKarma;
        }
        System.out.println("All karma has been set to " + karmaValue);
    }

    private static void addPlayer(String name, int karma) {
        //Adds a new user
        Player[] player = new Player[userCount];
        //Player[userCount] = new Player(userCount);

        player[userCount].setName(name);
        player[userCount].setKarma(karma);
        //userArray[userCount].setName(name);
        //userArray[userCount].setKarma(karma);
        userCount++;
    }

//Returns the index of the player in the database.
private static int findPlayer(String playerName) {
    int playerIndex = -1;

    for (int j = 0; j < userCount; j++)
    {
        System.out.println("Testing name: " + playerName + " against " + userArray[j].getName());
        if (playerName.equals(userArray[j].getName())) {
            playerIndex = j;
            System.out.println("Match");
            break;
        }
        else
        {
            //System.out.println("No match");
        }
    }
    return playerIndex;
    }

private static void sleep(int sleep) {
    try {Thread.sleep(sleep);}
    catch(InterruptedException ex) {
        Thread.currentThread().interrupt();}
    }

}