Solution

HTML Interface to Applet

<APPLET CODEBASE="/applets/magelang/AWT-Training/classes/" CODE="CheckboxGroupTest.class" WIDTH=300 HEIGHT=30 ALIGN=CENTER></APPLET>

Java Code

import java.awt.*;

public class CheckboxGroupTest extends java.applet.Applet {

    public void init() {
        CheckboxGroup cbg = new CheckboxGroup();

        Checkbox cb1 = new Checkbox(" 8 pt", cbg, true);
        Checkbox cb2 = new Checkbox("10 pt", cbg, false);
        Checkbox cb3 = new Checkbox("12 pt", cbg, false);

        add(cb1);
        add(cb2);
        add(cb3);
    }
}