[hardwired]

Code:

import java.io.*;
import javax.swing.JOptionPane;

public class ExpTest {
    public static void main(String[] args) {
        BufferedReader br = null;
        try {  
            String inputFileLine = JOptionPane.showInputDialog("Insert text file: ");
            // Do we have a file to read?
            if(!new File(inputFileLine).exists()) {
                System.out.println("Can not find " + inputFileLine);
            }
            System.out.println("Attempting to read " + inputFileLine);
            // Do we have a BufferedReader to which "br" is pointing?
            // In other words, has "br" been instantiated which means
            // is it pointing to an object that has been created with
            // the "new" operator? Let's see:
            System.out.println("br = " + br);
            // Instantiate "br":
            br = new BufferedReader(
                 new InputStreamReader(
                 new FileInputStream(inputFileLine)));
            // Do we have a BufferedReader to which "br" is pointing?
            System.out.println("br = " + br);
            while((inputFileLine = br.readLine()) != null) {
                System.out.println(inputFileLine);
            }
            br.close();
        } catch(IOException e) {
            System.out.println("Read error: " + e.getMessage());
        }
    }
}