Java tutorial
import java.awt.Color; import java.awt.Graphics; import java.awt.Image; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel { public void paint(Graphics g) { Image img = createImage(); g.drawImage(img, 20, 20, 400, 400, this); } private Image createImage() { BufferedImage bufferedImage = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB); Graphics g = bufferedImage.getGraphics(); g.drawString("www.java2s.com", 20, 20); return bufferedImage; } public static void main(String[] args) { JFrame frame = new JFrame(); frame.add(new Main()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBounds(20, 20, 500, 500); frame.setVisible(true); } }