/**
* This program shows the use of a try/catch block to
* handle the any exception that arises. It uses
* the "grand daddy Exception class which should only
* be used in this course to determine WHAT exception occurred.
*
* THINGS TO OBSERVE
* Run this file with a non-existent input file. What
* feedback does the user get?
*
* @author ???? - modified by Elizabeth Adams
* @version ??? - September 5, 2008
*/

import java.util.Scanner;
import java.io.*;
public class ReadFromFile3
{
public static void main (String [] args)
{
String fileName; // will hold the name of the file to be read from
Scanner fileScanner;
Scanner keyboard;
int value;

// needed to get filename from user sitting at keyboard
keyboard = new Scanner (System.in);
System.out.println // prompt to user at keyboard
(" Please enter name of file holding integers and hit return ");
fileName = keyboard.nextLine();

System.out.println // echo of user's input
(" The name of the file you want to open is " + fileName);

try
// note that another Scanner object is needed to read from
// the file. the keyboard Scanner object read from the keyboard.
{
fileScanner = new Scanner (new File (fileName));

// if file is found, read numbers from file as long as there are
// numbers in the file
while (fileScanner.hasNextInt())
{
value = fileScanner.nextInt();
System.out.println // echo the values picked up
(" The value you got from the file is " + value);
} // end while
} // end try

catch (Exception e) // catches any exception in the Exception class
{

} // end catch
} // end main
} // end class