public CircuitBoard(String filename) throws FileNotFoundException
	{

		Scanner fileScan;

		try
		{
			fileScan = new Scanner(new File(filename));

			ROWS = fileScan.nextInt(); //replace with initialization statements using values from file
			COLS = fileScan.nextInt();
			String nextChar;

			board = new char[ROWS][COLS];

			int currentCol = 0;
			int currentRow = 0;

			for(int i = 0; i < ROWS - 1; i++)
			{
				for(int j = 0; j < COLS - 1; j++)
				{
					nextChar = fileScan.next();
					board[i][j] = nextChar.charAt(0);

					if(nextChar.charAt(0) == START)
					{
						startingPoint = new Point(i,j);
					}

					else if(nextChar.charAt(0) == END)
					{
						endingPoint = new Point(i,j);
					}

				}
			}


		}
		catch (FileNotFoundException FNFE)
		{
			throw new FileNotFoundException("CircuitBoard-CircuitBoard");
		}
		catch (InvalidFileFormatException IFFE)
		{
			throw new InvalidFileFormatException("CircuitBoard-CircuitBoard");
		}

		//TODO: parse the given file to populate the char[][]
		// throw FileNotFoundException if Scanner cannot read the file
		// throw InvalidFileFormatException if any formatting or parsing issues are encountered

		fileScan.close();
	}