public class Market
{

	public static void main(String[]args)
		throws FileNotFoundException
	{

    String company;	   // name of company
	 double startPrice;  // start price of stock
	 double endPrice;    // end price of stock

      // Get name of file with stock information from user.

		Scanner console = new Scanner(System.in);
		System.out.print("Enter stock filename: ");
		String stockFilename = console.nextLine();

      // Read stock's data from file.
		Scanner stockFile = new Scanner(new FileReader(stockFilename));
      while (fileReader.hasNextLine())
     {

		company = stockFile.nextLine();
		startPrice = stockFile.nextDouble();
		endPrice = stockFile.nextDouble();
		stockFile.close();
      }
   }

   public static void processStock(String name, double startPrice, double endPrice)
   {

      // Determine the company's abbreviation.

		String companyAbbrev;

      // Find left parenthesis in company name (if any).
		int leftParenPos = company.indexOf('(');

		if (leftParenPos != -1)  // parenthesis found
      {
			// Look for right parenthesis (assumed to be present)
			// that follows left parenthesis.  Then, extract
			// abbreviation from within parentheses.
			int rightParenPos = company.indexOf(')', leftParenPos);
			companyAbbrev = company.substring(leftParenPos + 1, rightParenPos);
		}
		else
      {
			// Make abbreviation from first 4 characters converted
			// to uppercase.
			companyAbbrev = String.format("%.4s", company.toUpperCase());
		}

      // Compute percentage change in price.
		double percentageChange = ((endPrice - startPrice) / startPrice) * 100.0;

		// Separate output with blank line.
		System.out.println();

      // Display company's stock information.  Note: conditional (?:)
		// operator will report "Up" even if zero change.
		System.out.printf("%s %.2f %s %.1f%%%n",
			companyAbbrev, endPrice,
			percentageChange < 0.0 ? "Down" : "Up",
			Math.abs(percentageChange)
		);
	}
}