Panel panel2= new Panel();

ButtonGroup sex = new ButtonGroup(); //定义性别单选框

JRadioButton box1 = new JRadioButton(“男”,true);

JRadioButton box2 = new JRadioButton(“女”,false);

sex.add(box1);

sex.add(box2);

panel1.add(box1);

panel2.add(box2);

JCheckBox box3 = new JCheckBox(“计算机”,false); //定义系别复选框

JCheckBox box4 = new JCheckBox(“英语”,true);

panel2.add(box3);

panel2.add(box4);

myframe.setSize(300,300);

con.setLayout(new BoxLlayout(con,BoxLayout.Y_AXIS)); //设置窗体布局

con.add(new Label(“性别选择：”));

con.add(panel1);

con.add(new Label(“系别选择：”));

con.add(panel2);

myframe.show();

}

}