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

import javax.swing.*;

class Example0
  extends JFrame
{
  public Example0()
  {
    Container content_pane = this.getContentPane();
    content_pane.setLayout(new FlowLayout());
    
    JButton button = new JButton("Hello World");
    content_pane.add(button);
    
    setSize(300,300);
    setVisible(true);
    
  }
  
  public static void main(String argv[])
  {
    try
    {
      //UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
      //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
      UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
      //UIManager.setLookAndFeel("javax.swing.plaf.mac.MacLookAndFeel");
    }
    catch(Exception e)
    {
    }
    
    new Example0();
  }
}