This Java program that simulates a game of Bingo is running into an error:

For some reason, tests 3 through 7 cause an ArrayIndexOutOfBoundsException. How can this be fixed so that all the tests run without error?

This is the full code:

import java.util.Random; import java.util.Scanner;

public class BingoTest {

// Test 1 // Should say "Player0 Player1" at the bottom private static String test1 = "2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 5 1 2 3 4 5";

// Test 2 // Should say "Player0" at the bottom private static String test2 = "2 1 10 30 45 66 82 3 25 11 63 78 22 4 13 46 90 5 23 12 6 85 1 88 67 2 44 1 11 31 46 67 83 4 26 12 64 79 23 5 14 47 90 6 24 13 7 86 2 89 68 3 45 9 10 11 30 46 45 66 47 90 82";

// Test 3 // Should say "Player2 Player3" at the bottom private static String test3 = "4 1 10 30 45 66 82 3 25 11 63 78 22 4 13 46 90 5 23 12 6 85 1 88 67 2 44 1 11 31 46 67 83 4 26 12 64 79 23 5 14 47 90 6 24 13 7 86 2 89 68 3 45 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 1 2 4 6 8 10 12 14 16 19 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 16 11 21 22 32 9 10 17 25 44 13 12 14 20 15 16 19";

// Test 4 // Should say "Player0 Player3" at the bottom private static String test4 = "4 1 10 30 45 66 82 3 25 11 63 78 22 4 13 46 90 5 23 12 6 85 49 88 67 2 44 1 11 31 46 67 83 4 26 12 64 79 23 5 14 47 90 6 24 13 7 86 2 88 68 3 45 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 1 2 4 6 8 10 12 14 16 19 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 49 11 44 41 88 42 48 46 43 67 47 2 49";

// Test 5 // Should say "Player0 Player3" at the bottom private static String test5 = "4 2 10 30 45 66 82 3 25 11 63 78 22 4 13 46 90 5 23 12 6 85 49 88 67 2 44 3 6 9 12 15 82 85 5 11 30 1 7 15 10 4 2 8 14 77 38 60 65 17 29 40 1 11 31 46 67 83 4 26 12 64 79 23 5 14 47 90 6 24 13 7 86 2 88 68 3 45 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 1 2 4 6 8 10 12 14 16 19 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 49 11 44 41 88 42 48 46 43 67 47 2 49";

// Test 6 // Should say "Player0" at the bottom private static String test6 = "4 2 10 30 45 66 82 3 25 11 63 78 22 4 13 46 90 5 23 12 6 85 49 88 67 2 44 3 6 9 12 15 82 85 5 11 30 1 7 15 10 4 2 8 14 77 38 60 65 17 29 40 1 11 31 46 67 83 4 26 12 64 79 23 5 14 47 90 6 24 13 7 86 2 88 68 3 45 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 1 2 4 6 8 10 12 14 16 19 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 49 9 22 1 7 13 46 15 10 90 4";

// Test 7 // Should say "Player2" at the bottom private static String test7 = "3 2 10 30 45 66 82 3 25 11 63 78 22 4 13 46 90 5 23 12 6 85 49 88 67 2 44 3 6 9 12 15 82 85 5 11 30 1 7 15 10 4 2 8 14 77 38 60 65 17 29 40 2 11 31 46 67 83 4 26 12 64 79 23 5 14 47 90 6 24 13 7 86 2 88 68 3 45 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 44 47 49 1 2 4 6 8 10 12 14 16 19 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 49 5 12 14 16 20 19";

public static void main(String[] args){ // To run one of the above tests You can replace System.in with the test variable ie: // Scanner scan = new Scanner(test1); // Be sure to only have one scanner object at a time

// Otherwise you can still use the console to enter data Scanner scan = new Scanner(System.in);

System.out.println("Enter how many players there are"); Player[] players = new Player[scan.nextInt()];

for(int p = 0; p < players.length; p++) { System.out.println("How many cards does player " + p + " have?"); Card[] cards = new Card[scan.nextInt()]; for(int c = 0; c < cards.length; c++) { System.out.println("Please enter 25 numbers for card " + c + " of player " + p); int[][] numbers = new int[5][5]; for(int i = 0; i < numbers.length; i++) { for(int j = 0; j < numbers[i].length; j++) { numbers[i][j] = scan.nextInt(); } } cards[c] = new Card(numbers); } players[p] = new Player("Player" + p, cards); }

Bingo bingo = new Bingo(players); Random random = new Random(); System.out.println("Please enter how many numbers will be called"); int[] calledNums = new int[scan.nextInt()]; System.out.println("Please enter " + calledNums.length + " numbers to be called in order"); for(int i = 0; i < calledNums.length; i++) { calledNums[i] = scan.nextInt(); } String winners = ""; int idx = 0; while(winners.equals("")){ winners = bingo.play(calledNums[idx]); idx++; } System.out.println(winners); } }

class Bingo {

private Player[] players;

public Bingo(Player[] players) { this.players = players; }

public String play(int number) { for (int i = 0; i < players.length; i++) { players[i].markNumber(number); } String winners = ""; for (int i = 0; i < players.length; i++) { if (players[i].isWinner()) winners += players[i].getName() + " "; } return winners; }

}

class Player {

private String name; private Card[] cards;

public Player(String name, Card[] cards) { this.name = name; this.cards = cards; }

public String getName() { return name; }

public void setName(String name) { this.name = name; }

public Card[] getCards() { return cards; }

public boolean isWinner() { boolean winner = true; for (int i = 0; i < cards.length; i++) { for (int x = 0; x < 3; x++) { for (int y = 0; y < 5; y++) { winner = winner && cards[i].isMarked(x + 1, y + 1); } if (winner == true) { return true; } } } return false; }

public void markNumber(int number) { for (int i = 0; i < cards.length; i++) { cards[i].markNumber(number); } } }

class Card {

private int[][] number; private boolean[][] check = new boolean[3][5];

public Card(int[][] numbers) { this.number = numbers; }

public int getNumber(int Row, int Column) { return number[Row - 1][Column - 1]; }

public boolean isMarked(int row, int column) { return check[row - 1][column - 1]; }

public void markNumber(int number) { for (int x = 0; x < 3; x++) { for (int y = 0; y < 5; y++) { if (this.number[x][y] == number) { this.check[x][y] = true; } } } } }