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; import javax.swing.SwingUtilities; public class MainClass extends JPanel { public MainClass() { try { SwingUtilities.invokeAndWait(new Runnable() { public void run() { JLabel jl = new JLabel(new MyIcon(), JLabel.CENTER); add(jl); } }); } catch (Exception exc) { System.out.println("Can't create because of " + exc); } } 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); } }