Menggunakan Class java.awt.FileDialog pada Java

import java.awt.FileDialog;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class FileDialogDemo extends JFrame implements ActionListener {
    JLabel label;
    
FileDialogDemo(){
    super("File Dialog Demo");
    setSize(300, 100);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setLocationRelativeTo(null);
    setResizable(false);
    JPanel pane = new JPanel(new FlowLayout(FlowLayout.LEFT));
    JButton button = new JButton("Open");
    button.addActionListener(this);
    label = new JLabel();
    pane.add(button);
    pane.add(label);
    add(pane);
    setVisible(true);
}
   
    public static void main(String[] args) {
        new FileDialogDemo();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        FileDialog dialog = new FileDialog(this, "Select File", FileDialog.LOAD);
        dialog.setFile("*.*");
        dialog.setVisible(true);
        label.setText(dialog.getDirectory() + dialog.getFile());
    }
}