BingoCard.java

public class BingoCard {
    public final int[][] card;

    public BingoCard() {
        card = new int[5][5];
    }

    public void markNumber(int number) {
        for (int i = 0; i < 5; i++) {
            for (int j = 0; j < 5; j++) {
                if (card[i][j] == number) {
                    card[i][j] = -1;
                }
            }
        }
    }

    //  if the card matches the pattern given by user
    public boolean matchesPattern(int[][] pattern) {
        for (int i = 0; i < 5; i++) {
            for (int j = 0; j < 5; j++) {
                if (pattern[i][j] == -1 && card[i][j] != -1) {
                    return false;
                }
            }
        }
        return true;
    }

    public int[][] getCard(){
        return card;
    }

}