JFrameDemo.java

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

public class SimpleSwingForm extends JFrame {

    public SimpleSwingForm() {
        // Set frame properties
        setTitle("Basic Form");
        setSize(400, 250);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLayout(new GridLayout(4, 2, 10, 10)); // 4 rows, 2 columns, with gaps
        setLocationRelativeTo(null); // Center the window

        // Create components
        JLabel nameLabel = new JLabel("Name:");
        JTextField nameField = new JTextField();

        JLabel emailLabel = new JLabel("Email:");
        JTextField emailField = new JTextField();

        JLabel ageLabel = new JLabel("Age:");
        JTextField ageField = new JTextField();

        JButton submitButton = new JButton("Submit");
        // No ActionListener (no event handling)

        // Add components to the frame
        add(nameLabel);
        add(nameField);
        add(emailLabel);
        add(emailField);
        add(ageLabel);
        add(ageField);
        add(new JLabel()); // Empty cell for alignment
        add(submitButton);

        setVisible(true);
    }

    public static void main(String[] args) {
        // Run in the Event Dispatch Thread (EDT)
        SwingUtilities.invokeLater(() -> {
            new SimpleSwingForm();
        });
    }
}