如何使用for循环填充ButtonGroup[]数组

import javax.swing.JButton;
import javax.swing.ButtonGroup;

public class Main {
    public static void main(String[] args) {
        int buttonGroupCount = 5; // 需要填充的ButtonGroup数量

        ButtonGroup[] buttonGroups = new ButtonGroup[buttonGroupCount]; // 创建ButtonGroup[]数组

        for (int i = 0; i < buttonGroupCount; i++) {
            ButtonGroup buttonGroup = new ButtonGroup(); // 创建新的ButtonGroup对象

            // 设置ButtonGroup属性和事件处理程序
            JButton button1 = new JButton("Button 1");
            JButton button2 = new JButton("Button 2");
            JButton button3 = new JButton("Button 3");

            buttonGroup.add(button1);
            buttonGroup.add(button2);
            buttonGroup.add(button3);

            // 将生成的ButtonGroup对象添加到数组中
            buttonGroups[i] = buttonGroup;
        }

        // 可以通过访问数组中的元素来获取或操作生成的ButtonGroup对象
        for (int i = 0; i < buttonGroupCount; i++) {
            System.out.println("ButtonGroup " + (i + 1) + ": " + buttonGroups[i]);
        }
    }
}