GUI编程简易计算器

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class Notto5 {

    public static void main(String[] args) {

        MyFrame2 myFrame2 = new MyFrame2();
    }
}

class MyFrame2 extends Frame{
    public MyFrame2(){
        super("简易计算器");
        setVisible(true);
        setLayout(new GridLayout(4,1));
        setLocation(200,200);

        Panel panel = new Panel(new FlowLayout());
        Panel panel1 = new Panel(new FlowLayout());
        Panel panel2 = new Panel(new FlowLayout());
        Panel panel3 = new Panel(new FlowLayout());

        add(panel);
        add(panel1);

        add(panel2);
        add(panel3);

        addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) {
                super.windowClosing(e);
                System.exit(0);
            }
        });

        TextField textField = new TextField("",8);
        TextField textField1 = new TextField("",8);
        TextField textField2 = new TextField("",8);
        TextField textField3 = new TextField("",8);
        TextField textField4 = new TextField("",8);
        TextField textField5 = new TextField("",8);
        TextField textField6 = new TextField("",8);
        TextField textField7 = new TextField("",8);
        TextField textField8 = new TextField("",8);
        TextField textField9 = new TextField("",8);
        TextField textField10 = new TextField("",8);
        TextField textField11 = new TextField("",8);

        Label label = new Label("+");
        Label label1 = new Label("-");
        Label label2 = new Label("×");
        Label label3 = new Label("÷");

        Button button = new Button("=");