Java Code

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

public class SmileyApplet 
	extends JApplet
{
    Smiley smiles;
    JButton button;
    JTextField tf;
    
    public void init( )
    { 
	// create Smiley object
	smiles = new Smiley( );  

	// MUST set the bounds otherwise you won't see it!
	//   default is width=0 height=0!!!
        	smiles.setPreferredSize( new Dimension( 300,300 ) );

	// create button and textfield
    	button = new JButton( "go!" );
    	tf = new JTextField(10);

	// add to applet
        	setLayout( new FlowLayout( ) );
        	add( button );
        	add( smiles );
          add( tf );
    }
}

import java.awt.*;
import javax.swing.*;
public class Smiley extends JPanel
{
	public void paintComponent ( Graphics g )
	{
		super.paintComponent( g );
		g.setColor( Color.yellow );	// face
		g.fillOval( 10,10, 200, 200 );

		g.setColor( Color.black );	// outline of face
		g.drawOval ( 10,10, 200,200 );
		
		g.fillRect ( 50,75, 50,5 ); 	// left eye
		g.setColor( Color.blue );	// right eye
		g.fillOval(  130,50, 30,50 );
		
		g.setColor( Color.red ); 	// mouth
	      	g.fillArc( 70, 100, 100, 70, 180, 180 );
      }
}