JAVA

package Gui;

import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class Gui extends JFrame {

   final private Font mainFont = new Font("Segoe print", Font.BOLD, 18);

   JTextField tfFirstName, tfLastName;

   JLabel lbWelcome;

   public void initializer() {

       //from panel

       JLabel lbFirstName = new JLabel("First Name");

       lbFirstName.setFont(mainFont);

       tfFirstName = new JTextField();

       tfFirstName.setFont(mainFont);

       JLabel lbLastName = new JLabel("Last Name");

       lbLastName.setFont(mainFont);

       tfLastName = new JTextField();

       tfLastName.setFont(mainFont);

       JPanel formPanel = new JPanel();

       formPanel.setLayout(new GridLayout(4, 1, 5, 5));

       formPanel.setOpaque(false);

       formPanel.add(lbFirstName);

       formPanel.add(tfFirstName);

       formPanel.add(lbLastName);

       formPanel.add(tfLastName);

       // welcome label

       lbWelcome = new JLabel();

       lbWelcome.setFont(mainFont);

       // buttons panel

       JButton btnOK = new JButton("OK");

       lbWelcome.setFont(mainFont);

       btnOK.addActionListener(new ActionListener() {

           @Override

           public void actionPerformed(ActionEvent e) {

               // TODO Auto-generated method stub

               String firstName = tfFirstName.getText();

               String lastName = tfLastName.getText();

               lbWelcome.setText("Hello " + firstName + " " + lastName);

           }

       });

       JButton btnClear = new JButton("Clear");

       btnClear.setFont(mainFont);

       btnClear.addActionListener(new ActionListener(){

           @Override

           public void actionPerformed(ActionEvent e) {

               // TODO Auto-generated method stub

               tfFirstName.setText("");

               tfLastName.setText("");

               lbWelcome.setText("");

           }

       });

       JPanel buttonsPanel = new JPanel();

       buttonsPanel.setLayout(new GridLayout(1, 2, 5, 5));

       buttonsPanel.setOpaque(false);

       buttonsPanel.add(btnOK);

       buttonsPanel.add(btnClear);

       JPanel mainPanel = new JPanel();

       mainPanel.setLayout(new BorderLayout());

       mainPanel.setBackground(new Color(128, 128, 225));

       mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

       mainPanel.add(formPanel, BorderLayout.NORTH);

       mainPanel.add(lbWelcome, BorderLayout.CENTER);

       mainPanel.add(buttonsPanel, BorderLayout.SOUTH);

       add(mainPanel);

       setTitle("Welcom");

       setSize(500, 600);

       setMinimumSize(new Dimension(300, 400));

       setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

       setVisible(true);

   }

   public static void main(String[] args) {

       Gui myGui = new Gui();

       myGui.initializer();

   }

}