import java.awt.Graphics; import java.awt.Image; import java.awt.image.BufferedImage; import java.net.URL; import javax.swing.JFrame; import javax.swing.JPanel; import java.io.File; import javax.imageio.ImageIO; class ImageIOReadFromURL{ public static void main(String[] args) throws Exception{ final BufferedImage image = ImageIO.read(new URL( "http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png")); Graphics g = image.getGraphics(); g.setFont(g.getFont().deriveFont(30f)); g.drawString("Hello World!", 100, 100); g.dispose(); ImageIO.write(image, "png", new File("test.png")); } }