java 10 updated

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

class MyJFrame extends JFrame{
    JLabel username,password,datalLabel;
    JTextField usernameField;
    JPasswordField passwordField;
    JButton login;
    
    MyJFrame(){
        setLayout(new FlowLayout());
        setVisible(true);
        setDefaultCloseOperation(3);
        setSize(350, 500);

        username= new JLabel("Username : ");
        usernameField =new JTextField(20);
        password= new JLabel("Password : ");
        passwordField =new JPasswordField(20);

        login=new JButton("Login");

        datalLabel =new JLabel("Username and Password will be displayed here ");

        JLabel name =new JLabel("by Rohit Nandagawali");
        add(username);
        add(usernameField);
        add(password);
        add(passwordField);
        add(login);
        add(datalLabel);
        add(name);


        login.addActionListener(new ActionListener(){
            @Override
            public void actionPerformed(ActionEvent e) {
                String data ="Your Username : "+usernameField.getText()+", Your Password : "+new String(passwordField.getPassword());

                datalLabel.setText(data);
                validate();
            }
        });
    }

}

public class practical12 {
    public static void main(String[] args) {
        new MyJFrame();
    }
}