import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JRadioButton;

public class RadioButtonExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("RadioButton Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JRadioButton radioButton1 = new JRadioButton("Option 1");
        JRadioButton radioButton2 = new JRadioButton("Option 2");
        JRadioButton radioButton3 = new JRadioButton("Option 3");

        // 创建一个ButtonGroup对象，并将单选按钮添加到组中
        ButtonGroup buttonGroup = new ButtonGroup();
        buttonGroup.add(radioButton1);
        buttonGroup.add(radioButton2);
        buttonGroup.add(radioButton3);

        // 设置保存的布尔值
        boolean option1Selected = radioButton1.isSelected();
        boolean option2Selected = radioButton2.isSelected();
        boolean option3Selected = radioButton3.isSelected();

        // 在这里可以根据保存的布尔值执行相应的操作

        frame.add(radioButton1);
        frame.add(radioButton2);
        frame.add(radioButton3);
        frame.setSize(300, 200);
        frame.setLayout(null);
        frame.setVisible(true);
    }
}