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

public class SliderDemo extends JApplet {

    private JSlider widthSlider;
    private JSlider heightSlider;

    public void init() {
	int appletWidth=getWidth();
	int appletHeight=getHeight();

	widthSlider = 
	    new JSlider( SwingConstants.HORIZONTAL, 0, appletWidth, 10 );
	widthSlider.setMajorTickSpacing( 10 );
	widthSlider.setPaintTicks( true );
	
      // register JSlider event listener
      widthSlider.addChangeListener(
         new ChangeListener() {  // anonymous inner class
            // handle change in slider value
            public void stateChanged( ChangeEvent e )
            {
		repaint();
            }
         }
      );

      heightSlider = 
	  new JSlider( SwingConstants.VERTICAL, 0, appletHeight, 10 );
      heightSlider.setMajorTickSpacing( 10 );
      heightSlider.setPaintTicks( true );
      
      // register JSlider event listener
      heightSlider.addChangeListener(
	 new ChangeListener() {  // anonymous inner class
	     // handle change in slider value
	     public void stateChanged( ChangeEvent e )
	     {
		 repaint();
	     }
         }
      );

      Container container = getContentPane();
      //container.setLayout( new FlowLayout() );
      container.add( widthSlider, BorderLayout.SOUTH );
      container.add( heightSlider,BorderLayout.EAST );
   } 

    public void paint( Graphics g ) {
	super.paint( g );

	g.fillOval( 10, 10, widthSlider.getValue(), 
		    heightSlider.getValue() );
    }
}