Help..frame o/p to png format

Question

please tell me how to convert the frame output to *.png (image file format) and to store in a
particular location

Answer 1

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;
import javax.swing.*;
public class X {
    public static void main(String[] args) throws IOException {
        JButton btn = new JButton("save");
        btn.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent evt) {
                Window win = SwingUtilities.getWindowAncestor((Component) evt.getSource());
                if (win != null) {
                    int w = win.getWidth(), h = win.getHeight();
                    BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
                    Graphics2D g = image.createGraphics();
                    win.paint(g);
                    g.dispose();
                    try {
                        ImageIO.write(image, "png", new File("temp.png"));
                    } catch (IOException e) {
                        e.printStackTrace();
        JFrame.setDefaultLookAndFeelDecorated(true);
        JFrame f = new JFrame("X");
        Container cp = f.getContentPane();
        JTextArea area = new JTextArea();
        area.read(new FileReader("X.java"), null);
        cp.add(new JScrollPane(area));
        cp.add(btn, BorderLayout.SOUTH);
        f.setSize(400,300);
        f.setLocationRelativeTo(null);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setVisible(true);
}