如何重置jframe并保存jtextfield中的文本

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ResetJFrameExample {
    private JFrame frame;
    private JTextField textField;
    private String savedText;

    public ResetJFrameExample() {
        frame = new JFrame("Reset JFrame Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400, 300);

        textField = new JTextField(20);
        frame.add(textField, BorderLayout.NORTH);

        JButton resetButton = new JButton("Reset");
        resetButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                saveText();
                resetFrame();
            }
        });
        frame.add(resetButton, BorderLayout.SOUTH);

        frame.setVisible(true);
    }

    private void saveText() {
        savedText = textField.getText();
        System.out.println("Saved Text: " + savedText);
    }

    private void resetFrame() {
        textField.setText("");
        frame.getContentPane().removeAll();
        frame.add(textField, BorderLayout.NORTH);
        frame.add(new JButton("Reset"), BorderLayout.SOUTH);
        frame.revalidate();
        frame.repaint();
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new ResetJFrameExample();
            }
        });
    }
}