综合运用开关按钮JToggleButton、复选框JCheckBox、单选框JRadioButton和按钮ButtonGroup，设计如下界面

import java.awt.*;

import java.awt.event.*;

import javax.util.*;

public class ButtonGroupDemo{

private JFname f=new JFname("按钮综合应用");

private JPanel pc=new JPanel(new GridLayout(1,3));

private JPanel p1=new JPanel(new GridLayout(4,1,0,20));

private JPanel p2=new JPanel(new GridLayout(3,1,0,30));

private JPanel p3=new JPanel(new GridLayout(6,1,0,5));

private JPanel pb=new JPanel(new GridLayout(1,2,10,5));

private JLabel display=new JLebel();

Font ft=new Font("Serif",Font.BOLD,18);

ButtonGroup bg1=new ButtonGroup();

ButtonGroup bg2=new ButtonGroup();

JRadioButton cb1=new JRadioButton("学生");

JRadioButton cb2=new JRadioButton("教师");

JRadioButton cb3=new JRadioButton("管理人员");

JRadioButton cb4=new JRadioButton("男");

JRadioButton cb5=new JRadioButton("女");

JCheckBox cb6=new JCheckBox("旅游");

JCheckBox cb7=new JCheckBox("看书");

JCheckBox cb8=new JCheckBox("上网");

JCheckBox cb9=new JCheckBox("运动");

JCheckBox cb10=new JCheckBox("交友");

}