import java.util.*; public class SudokuPuzzle { private int[][] board =new int[9

ID: 3614879 • Letter: I

Question

import java.util.*;
public class SudokuPuzzle
{
private int[][] board =new int[9][9];

    publicSudokuPuzzle()
    {
         int[][] board;
     board = new int[9][9];
        board[0][1] = 2;
    }
    public void displayBoard(){
       System.out.print(toString());
    }
    public boolean getAllowed() {
        return true;
    }
// String method of game board used to display board throughoutgame play.
    public String toString()    {
        return " --- --- --- ------ --- --- --- ---" + " | " + board[0][0] + " | " + board[0][0] +" | " + board[0][0] +
        " | " + board[0][3] + "| " + board[0][4] + " | " + board[0][5] + " | " + board[0][6] + " |" + board[0][7] +
        " | " + board[0][8] + "| " + board[0][9] + " |";
}

}

Explanation / Answer

If the array has 9 elementsthen the index varies from only 0 to 8...therefore you canonly use board[0][0] to board[0][8] you cannot use board[0][9] which will createindex out of bounds exception The correct code to toString() is: // String method of game board used to display boardthroughout game play. public String toString() { return " --- --- --- ------ --- --- --- ---" + " | " + board[0][0] + " | " + board[0][0] +" | " + board[0][0] + " | " + board[0][3] + "| " + board[0][4] + " | " + board[0][5] + " | " + board[0][6] + " |" + board[0][7] + " | " + board[0][8] + "| "; }

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import java.util.*; public class SudokuPuzzle { private int[][] board =new int[9

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