Java Fille I/0

import java.io.*;

public class FileReader {

public static void main (String[] args) {

System.out.println ("Program to demonstrate reading from a file");

BufferedReader br = null;

String fileName = args[0];

// If an error occurs, go to the "catch" block

try {

// FileInputStream fis = new FileInputStream (fileName);

FileReader fis = new FileReader (fileName);

br = new BufferedReader (fis);

// continue to read lines while there are still some left to read

while ( br.ready() ) {

System.out.println (br.readLine());

}

// Close the input stream

br.close();

} catch (Exception e) {

// Handle any error in opening the file

System.err.println("File input error");

}

} // End of main method

} // End of the class FileReader