程序代码：

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class qwe extends JFrame {
    JPanel jp1 = new JPanel();
    JPanel jp2 = new JPanel();
    public qwe(){
        JTextField jtf=new  JTextField(10);
   
        jp1.setLayout(new GridLayout(1, 2));
        jp1.add(new JLabel("姓名"));
        jp1.add(jtf);
   
        jp2.setLayout(new GridLayout(1, 2));
        jp2.add(new JLabel("年级"));
        jp2.add(jtf);
        JFrame xhayFrame = new JFrame();
        JButton name = new JButton("姓名修改器");
        JButton classof = new JButton("年级修改器");
        xhayFrame.add(name);
        xhayFrame.add(classof);
        xhayFrame.setLayout(new FlowLayout());
        xhayFrame.setVisible(true);
        xhayFrame.pack();
        xhayFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        name.addActionListener(new ActionListener() {
       
            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                JFrame xasFrame = new JFrame();
                xasFrame.add(jp1);
                xasFrame.pack();
                xasFrame.setVisible(true);
            }
        });
        classof.addActionListener(new ActionListener() {
       
            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                JFrame xasFrame = new JFrame();
                xasFrame.add(jp2);
                xasFrame.pack();
                xasFrame.setVisible(true);
            }
        });
    }
    public static void main(String[] args){
        new qwe();
    }
}