1  import java.io.File;

  2  import java.io.IOException;

  3  import java.util.Scanner;

  4  import javax.swing.JFileChooser;

  5  

  6  /**

  7     This program shows the first nine lines of a file that was

  8     selected with a file chooser.

  9  */

 10  public class FileChooserDemo 

 11  {

 12     public static void main(String[] args) throws IOException

 13     {

 14        JFileChooser chooser = new JFileChooser();

 15        Scanner in = null;

 16        if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION)

 17        {

 18           File selectedFile = chooser.getSelectedFile();

 19           in = new Scanner(selectedFile);

 20           int lineNumber = 1;

 21           final int MAX_LINES = 9;

 22           while (in.hasNextLine() && lineNumber <= MAX_LINES)

 23           {

 24              String line = in.nextLine();

 25              System.out.println(lineNumber + ": " + line);

 26              lineNumber++;

 27           }

 28           if (in.hasNextLine()) { System.out.println("..."); }

 29        }

 30     }

 31  }