View source for Simple gui program ( Swing )

<source lang="java">
import javax.swing.SwingUtilities;
import javax.swing.JFrame;

public class SwingPaintDemo1 
{
    
    public static void main(String[] args) {
                                            SwingUtilities.invokeLater(new Runnable() {
                                  public void run() {
                                                    createAndShowGUI();
                                                    }
                                                                                      } 
                                            );
    }
    
    private static void createAndShowGUI() {
        System.out.println("Created GUI on EDT? "+
                SwingUtilities.isEventDispatchThread());
        JFrame f = new JFrame("Swing Paint Demo");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(250,250);
        f.setVisible(true);
    }
}

</source>