单选框.txt

此文件为自己自学JAVA时调试通过的JAVA程序范例

import javax.swing.*;
import java.awt.*;

class FrameTest extends JFrame
{
 public FrameTest()
 {
  super("窗口标题");
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  setVisible(true);
  setSize(240,90);
 }
}

class PanelTest extends FrameTest
{
 JPanel PanelObj;
 public PanelTest()
 {
  PanelObj=new JPanel();
  getContentPane().add(PanelObj);
 }
}

class RadioButtonTest extends PanelTest
{
 JRadioButton RButObj1;
 JRadioButton RButObj2;
 public RadioButtonTest()
 {
  RButObj1=new JRadioButton("单选筐1",true);
  RButObj2=new JRadioButton("单选筐2",true);
  PanelObj.add(RButObj1);
  PanelObj.add(RButObj2);
  ButtonGroup ButtonGroupObj=new ButtonGroup();
  ButtonGroupObj.add(RButObj1);
  ButtonGroupObj.add(RButObj2);
 }
}
 
class Frame13
{
 public static void main(String[] args)
 {
  new RadioButtonTest();
 }
}