public Grid(int row, int column) {

        rows = row;
        columns = column;
        cells = new Entity[rows*columns];

        //Fill the grid with blank cells
        int cellID = 0;
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < columns; j++) {
                System.out.println("Cell " + cellID + " created");
                cells[cellID] = new Entity(EntityType.BLANK,new Location(j+1,i+1));
                ++cellID;
            }
        }

    }