import java.awt.*;
import java.awt.event.*;

public class AWTFrame
{
        public static void main (String args[]) throws Exception
        {
                Frame  frame = new Frame("AWT Demo");
                Label  label = new Label ("AWT Version");
                Button button = new Button ("Click to close");
                button.addActionListener( new ActionListener() {
                        public void actionPerformed(ActionEvent evt)
                        {
                                System.exit(0);
                        }
                });

                // Set layout manager
                frame.setLayout( new FlowLayout() );

                // Add to frame
                frame.add( label  );
                frame.add( button );
                frame.pack();

                // Center the frame
                Toolkit toolkit = Toolkit.getDefaultToolkit();

                // Get the current screen size
                Dimension scrnsize = toolkit.getScreenSize();

                // Get the frame size
                Dimension framesize= frame.getSize();

                // Set X,Y location
                frame.setLocation ( (int) (scrnsize.getWidth()  - frame.getWidth() ) / 2 ,
                                    (int) (scrnsize.getHeight() - frame.getHeight()) / 2);


                frame.setVisible(true);
        }
}