/* This example demonstrates how use Radiobuttons. */


        import java.awt.*;
        import java.applet.*;

        public class RadiobuttonTest extends Applet {

          CheckboxGroup cbg = new CheckboxGroup();
          Checkbox small = new Checkbox("Small", cbg, true);
          Checkbox medium = new Checkbox("Medium", cbg, false);
          Checkbox large = new Checkbox("Large", cbg, false);
          Checkbox extraLarge = new Checkbox("Extra Large", cbg, false);
          int fontSize = 10;

          public void init() {

            small.setBackground(Color.yellow);
            medium.setBackground(Color.yellow);
            large.setBackground(Color.yellow);

            add(small);
            add(medium);
            add(large);
            add(extraLarge);
            extraLarge.setBackground(Color.yellow);
            setBackground(Color.yellow);
          }

          public boolean action(Event evt, Object arg) {
            if (evt.target instanceof Checkbox) {
               if (evt.target == small)
                  fontSize = 10;
               else if (evt.target == medium)
                  fontSize = 16;
               else if (evt.target == large)
                  fontSize = 24;
               else
                  fontSize = 30;
               repaint();
               return true;
            }
            return false; 

          }

          public void paint(Graphics g) {

            Font f = new Font("TimesRoman", Font.BOLD, fontSize);
            g.setFont(f);
            g.drawString("I love Radiobuttons!!!!", 5, 95);
          }

        }