register Screen

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

public class registerScreen extends JFrame{

  // setting up the variables for the GUI items
  private JTextField _username = new JTextField(7); // text field for username
  private JTextField _usernameAgain = new JTextField(7); // text field for user name

  // 1. Create text fields for password and password again

  private JLabel _result = new JLabel(""); // a label to display the final result

  private JButton enterBtn = new JButton("Submit"); //a button to submit the answers

  public registerScreen() {

    JFrame frame = new JFrame("Register User"); // defining a new frame for the window.

    frame.setLayout(new GridLayout(0, 2)); //using a Grid layout 0 rows 2 columns

    //adding items to the frame, when the columns in a row are full then it shall move onto the next row.
    frame.add(new JLabel("Register Details."));//row 1
    frame.add(new JLabel(""));//row 1


    frame.add(new JLabel("Enter Name"));//row 2
    frame.add(_username);//row 2
    frame.add(new JLabel("Enter Name again"));//row 2
    frame.add(_usernameAgain);//row 2

    //2. Use frame.add to add the password and password again text fields, include suitable labels too.


    frame.add(enterBtn);
    frame.add(_result);

    frame.pack();

    frame.setVisible(true);

   //.addActionListener links the button to the SubmitButton class, that will check the values
   //when the submit button is clicked
    enterBtn.addActionListener(new SubmitBtnListener());
    _username.addActionListener(new SubmitBtnListener());
    _usernameAgain.addActionListener(new SubmitBtnListener());
    //3.  link the password and passwordAgain text fields to the action listener.


  }

  //code that runs when the button is clicked
  class SubmitBtnListener implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            //new variables created to store the values in the username and usernameAgain text fields
            String usernameStr = _username.getText();
            String usernameAgainStr = _usernameAgain.getText();

          //4.Create 2 more variables to store the values input into the password and passwordAgain text fields

          //5. Develop the code below using && to check if the passwords entered are the same.
            if (usernameStr.equals(usernameAgainStr)){
                _result.setText("Match");//changes the result label to 'Match' if the usernames are the same
                //LINK TO QUIZ HERE

            } else{
                _result.setText("Non Match");//changes the result label to X if the answer is incorrect
            }

        }
    }

  public static void main(String[] args) {
        registerScreen window = new registerScreen();
    }
}