//example 7-20
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class tt extends Applet implements ItemListener
{
   private TextField t;
   private Checkbox bold,italic;
   public void init()
   {
   	 t=new TextField("Watch the font style change",40);
   	 t.setFont(new Font("Serif",Font.PLAIN,14));
   	 add(t);
   	 bold=new Checkbox("Bold");
   	 bold.addItemListener(this);
   	 add(bold);
   	 italic=new Checkbox("Italic");
   	 italic.addItemListener(this);
   	 add(italic);
   }
   public void itemStateChanged(ItemEvent e)
   {
   	 int valBold=(bold.getState()?Font.BOLD:Font.PLAIN);
   	 int valItalic=(italic.getState()?Font.ITALIC:Font.PLAIN);
   	 t.setFont(new Font("Serif",valBold+valItalic,14));
   }
}