checkwin

 /**
     * Function Name: CheckWin
     * @param board
     * @return count (int)
     * Inside the function
     *   1.checkRows(): Check every row for a straight X/O
     *   2.checkColumns(): Check every column for a straight X/O
     *   3.checkLeft(): Check the left diagonal for a straight X/O
     *   4.checkRight(): Check the right diagonal for a straight X/O 
     */
    public static int checkWin(char[][] board){
        int rows = checkRows(board);

        //Math.abs returns the absolute value of a given number, removing any negative sign.
        if(Math.abs(rows)==3) return rows;

        int col = checkColoumns(board);
        if(Math.abs(col)==3) return col;
         
        int leftDiagnoal = checkLeft(board);
        if(Math.abs(leftDiagnoal)==3) return leftDiagnoal;
        
        int rightDiagnoal = checkRight(board);
        if(Math.abs(rightDiagnoal)==3) return rightDiagnoal;

        return -1;

    }