Java tutorial
import java.awt.Component; import java.awt.Graphics; import javax.swing.Icon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class MainClass extends JPanel { public MainClass() { JLabel jl = new JLabel(new MyIcon(), JLabel.CENTER); add(jl); } public static void main(String[] args) { JFrame frame = new JFrame(); frame.getContentPane().add(new MainClass()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(200, 200); frame.setVisible(true); } } class MyIcon implements Icon { public int getIconWidth() { return 32; } public int getIconHeight() { return 32; } public void paintIcon(Component c, Graphics g, int x, int y) { g.drawString("java2s.com", 0, 20); } }