package swing.ejemplo;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JButtonDemo extends JPanel {
  
  public JButtonDemo() {
    add( new JButton( "JButton" ) );
    add( new JToggleButton( "JToggleButton") );
    add( new JCheckBox( "JCheckBox" ) );
    add( new JRadioButton( "JRadioButton" ) );
    }
  
  public static void main( String args[] ) {
    JButtonDemo panel = new JButtonDemo();
    JFrame ventana = new JFrame();
    
    ventana.getContentPane().add( panel,BorderLayout.CENTER );
    
    ventana.addWindowListener( new WindowAdapter() {
      public void windowClosing( WindowEvent evt ) {
	System.exit( 0 );
      }
    } );
    
    ventana.setSize( 300,200 );
    ventana.setTitle( "Tutorial de Java, Swing" );
    ventana.setVisible( true );
  }
}