Java tutorial
import java.awt.BorderLayout; 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.rescanCurrentDirectory(); frame.add(fileChooser, BorderLayout.CENTER); frame.pack(); frame.setVisible(true); } }