I am sort on time and upablet ot complet the attached problem and i need help to compelt the work.

//**************************************************************************************************

// CLASS: Main

//**************************************************************************************************

import javax.swing.JFrame;
public class Main {
public static void main(String[] pArgs) {

new Main().run();

}
public void run() {

JFrame.setDefaultLookAndFeelDecorated(true);

View view = new View();

}
}

//**************************************************************************************************

// CLASS: View

//

// DESCRIPTION

// Implements the GUI for a calculator.

//**************************************************************************************************

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.Box;

import javax.swing.BoxLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;
/**

* Implements the GUI for a calculator.

*/

public class View extends JFrame implements ActionListener {
public static final int FRAME_WIDTH = 500;

public static final int FRAME_HEIGHT = 200;
private JTextField mText;
/**

* Default ctor. Does nothing.

*/

public View() {

// Declare and create a JPanel named panelFunctButton. Set the layout manager to GridLayout

// with 2 rows and 2 columns. Call addButton() to add buttons labeled "x^y", "log 10",

// "log e", and "sqrt".

???
// Declare and create a JPanel named panelSysButton. Use the default FlowLayout layout

// manager. Call addButton() to add buttons labeled "Clear", "About", and "Exit".

???
// Declare and create a JPanel named panelFunctSys. Use the BorderLayout layout manager.

// Add panelFunctButton to the CENTER region. Add panelSysButton to the SOUTH region.

???
// Declare and create a JPanel named panelKeypad. Use the GridLayout layout manager with

// 4 rows and 4 columns. Call addButton() to add the buttons labeled "7", "8", "9", and so

// on.

???
// Declare and create a new JPanel named panelBottom. Use the vertical BoxLayout layout

// manager. Add panelKeypad. Add a 10-pixel wide rigid area (using Box.createRigidArea()).

// Add panelFunctSys.

???
// Declare and create a JPanel named panelTextField. Use the default FlowLayout layout

// manager. Create the mText JTextField making it 30 columns wide. Add mText to the

// panelTextField panel.

???
// Declare and create a JPanel named panelLabel. Use the default FlowLayout layout manager.

// Declare and create a JLabel named label displaying "Kalkutron-9000" or whatever you

// want to display. Add label to panelLabel.

???
// Declare and create a JPanel named panelMain. Use the horizontal BoxLayout layout manager.

// Add some vertical glue to panelMain (using Box.createVerticalGlue()). Add panelLabel.

// Add some more vertical glue. Add panelTextField. Add panelBottom. Add some more vertical

// glue.

???
// Set the title bar string of this JFrame.

setTitle("Kalkutron-9000");
// Set the width and height of this JFrame.

setSize(FRAME_WIDTH, FRAME_HEIGHT);
// Configure this JFrame so the frame will be closed and the application were terminate when

// the X button on the title bar is closed.

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Add panelMain to this JFrame.

add(panelMain);
// Make this JFrame visible.

setVisible(true);

}
/**

* Declare and create a JButton object displaying pText. Make this JFrame the action listener

* for button events. Add the button to pPanel.

*/

private void addButton(JPanel pPanel, String pText) {

JButton button = new JButton(pText);

button.addActionListener(this);

pPanel.add(button);

}
/**

* Implementation of the actionPerformed() method of the ActionListener interface.

*/

@Override

public void actionPerformed(ActionEvent pEvent) {

// If the source of the event is a JButton, calling pEvent.getActionCommand() will return

// the text displayed on the button face. For example, when the Exit button is clicked,

// pEvent.getActionCommand() would return "Exit".
// Write code that determines if the Exit button is the source of the event and if so,

// exit the application by calling System.exit().

???
// Write code that determines if the About button is the source of the event and if so,

// display the about dialog using JOptionPane.showMessageDialog().

???

}
}

Attachment:- Attachment.pdf