public Set<Point> diff(Maze2D to) {
        char[][] maze1 = this.getMazeCharArray();
        char[][] maze2 = to.getMazeCharArray();
        Set<Point> differentLocations = new HashSet<Point>();
        for (int row = 0; row < this.rows; row++) {
            for (int column = 0; column < this.columns; column++) {
                if (maze1[row][column] != maze2[row][column]) {
                    differentLocations.add(new Point(column, row));
                }
            }
        }
        return differentLocations;
    }
public Set < Point > diff ( Maze2D to ) { char [ ] [ ] maze1 = this . getMazeCharArray ( ) ; char [ ] [ ] maze2 = to . getMazeCharArray ( ) ; Set < Point > differentLocations = new HashSet < Point > ( ) ; for ( int row = 0 ; row < this . rows ; row ++ ) { for ( int column = 0 ; column < this . columns ; column ++ ) { if ( maze1 [ row ] [ column ] != maze2 [ row ] [ column ] ) { differentLocations . add ( new Point ( column , row ) ) ; } } } return differentLocations ; }
Returns a set of points that are different with respect this maze.
Both mazes must have same size.
@param to maze to be compared.
@return set of different points.