Interfaz Gráfica - Ejemplo de CheckboxGroup

import java.awt.*;

public class CheckboxGroupTest {
public static void main (String []args){
Frame f = new Frame();
f.setTitle("Checkbox Group Test");
f.setSize(200,150);
f.setLayout(new FlowLayout());
CheckboxGroup cbg = new CheckboxGroup();
Checkbox cb1 = new Checkbox("Hombre",cbg,true);
Checkbox cb2 = new Checkbox("Mujer",cbg,false);
f.add(cb1);
f.add(cb2);
f.setVisible(true);
}
}