Java JFileChooser .ensureFileIsVisible (File f)

public void ensureFileIsVisible(File f)

import java.awt.BorderLayout;
import java.io.File;
// w  w  w . ja va 2  s  . c o m
import javax.swing.JFileChooser;
import javax.swing.JFrame;

public class Main{

  public static void main(String[] a) {
    JFrame frame = new JFrame("JFileChooser Popup");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JFileChooser fileChooser = new JFileChooser(".");
    fileChooser.ensureFileIsVisible(new File("."));
    
    frame.add(fileChooser, BorderLayout.CENTER);

    frame.pack();
    frame.setVisible(true);
  }
}