// File: FileIO1.java
//
// Author: Rahul Simha
// Created: Aug 18, 1998
//
// Illustrates reading from a file.
// A file is read line-by-line and each line is 
// printed to the screen.

import java.io.*;

public class FileIO1 {

  public static void main (String[] argv)
  {
    try {
      // These are the key steps in setting up the read operation.
      FileReader fr = new FileReader ("testdata");
      LineNumberReader lr = new LineNumberReader (fr);

      // Now read the input lines
      boolean over = false;         
      int i = 1;
      do {
        // Get a line from the file.
	String inputLine = lr.readLine ();
        if (inputLine != null) {
	  System.out.println ("Line " + i + ": " + inputLine);
	  i++;
	}
        else
          over = true;
      } while (! over);

      // Done.
      lr.close();
    }
    catch (IOException e) {
      // If there was a problem...
      System.out.println (e);
    }
    
  }
}