//<h1> Hello !! Welcome to DevOps Project-2 !! </h1>

//<h2> By Mr.Shubham </h2>

//<h2> Project done </h2>

//import required classes and packages

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.lang.Exception;

//create CreateLoginForm class to create login form

//class extends JFrame to create a window where our component add

//class implements ActionListener to perform an action on button click

class CreateLoginForm extends JFrame implements ActionListener

{

//initialize button, panel, label, and text field

JButton b1;

JPanel newPanel;

JLabel userLabel, passLabel;

final JTextField textField1, textField2;

//calling constructor

CreateLoginForm()

{

//create label for username

userLabel = new JLabel();

userLabel.setText("Username"); //set label value for textField1

//create text field to get username from the user

textField1 = new JTextField(15); //set length of the text

//create label for password

passLabel = new JLabel();

passLabel.setText("Password"); //set label value for textField2

//create text field to get password from the user

textField2 = new JPasswordField(15); //set length for the password

//create submit button

b1 = new JButton("SUBMIT"); //set label to button

//create panel to put form elements

newPanel = new JPanel(new GridLayout(3, 1));

newPanel.add(userLabel); //set username label to panel

newPanel.add(textField1); //set text field to panel

newPanel.add(passLabel); //set password label to panel

newPanel.add(textField2); //set text field to panel

newPanel.add(b1); //set button to panel

//set border to panel

add(newPanel, BorderLayout.CENTER);

//perform action on button click

b1.addActionListener(this); //add action listener to button

setTitle("LOGIN FORM"); //set title to the login form

}

//define abstract method actionPerformed() which will be called on button click

public void actionPerformed(ActionEvent ae) //pass action listener as a parameter

{

String userValue = textField1.getText(); //get user entered username from the textField1

String passValue = textField2.getText(); //get user entered pasword from the textField2

//check whether the credentials are authentic or not

if (userValue.equals("[email protected]") && passValue.equals("test")) { //if authentic, navigate user to a new page

//create instance of the NewPage

NewPage page = new NewPage();

//make page visible to the user

page.setVisible(true);

//create a welcome label and set it to the new page

JLabel wel_label = new JLabel("Welcome: "+userValue);

page.getContentPane().add(wel_label);

}

else{

//show error message

System.out.println("Please enter valid username and password");

}

}

}

//create the main class

class LoginFormDemo

{

//main() method start

public static void main(String arg[])

{

try

{

//create instance of the CreateLoginForm

CreateLoginForm form = new CreateLoginForm();

form.setSize(300,100); //set size of the frame

form.setVisible(true); //make form visible to the user

}

catch(Exception e)

{

//handle exception

JOptionPane.showMessageDialog(null, e.getMessage());

}

}

}

NewPage.java

//import required classes and packages

import javax.swing.*;

import java.awt.*;

//create NewPage class to create a new page on which user will navigate

class NewPage extends JFrame

{

//constructor

NewPage()

{

setDefaultCloseOperation(javax.swing.

WindowConstants.DISPOSE_ON_CLOSE);

setTitle("Welcome");

setSize(400, 200);

}

}