Please include a gui for the encryption and decryption java code. Example of the gui in the photos Java encryption and decryption code below import java.util.*; public class Main { //Inputs a one character string and returns True if the character is a letter (i.e. a to z or A to Z). Returns false if it is not. A function to check that the password or encryption key is valid. public static boolean isALetter(char letter){ if( (letter >= 'a' && letter = 'A' && letter =-32767 && encryptKey

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Please include a gui for the encryption and decryption java code. Example of the gui in the photos Java encryption and decryption code below import java.util.*; public class Main { //Inputs a one character string and returns True if the character is a letter (i.e. a to z or A to Z). Returns false if it is not. A function to check that the password or encryption key is valid. public static boolean isALetter(char letter){ if( (letter >= 'a' && letter = 'A' && letter =-32767 && encryptKey
import java.awt.*;
import java.awt.event.*; // for listening to buttons
import javax.swing.";
public class GUIExampleApp extends JFrame implements ActionListener
(
// Declare class variables for labels and buttons
// and variables to be used throughout the class
JLabel lblInput, lbloutput;
JTextField txtInput, txtOutput;
JButton btnReverse, btnClear;
Container frame;
// declare the container frame
public GUIExampleApp () // constructing the window
{
super ("GUIExampleApp");
// Set the frame's name
frame getContent Pane (); // get the container frame
// Create labels, text boxes and buttons.
lblInput
new JLabel ("Enter a phrase");
lbloutput new JLabel ("Output String");
txtInput = new JTextField (50);
txtOutput = new JTextField (50);
btnReverse new JButton ("Reverse String");
btnClear new JButton ("Clear");
// set the size and layout of the applet
frame.setLayout (new GridLayout (6, 1));
// add the labels, textboxes and buttons
// The order matters!!
frame.add (lblInput);
frame.add (txtInput);
frame.add (lblOutput);
frame.add (txtOutput);
frame.add (btnReverse);
frame.add (btnClear);
// make the buttons listen to clicks on this application
btnReverse.addActionListener (this);
btnClear.addActionListener (this);
setSize (300, 200);
setVisible (true);
// Set the frame's size
// Show it.
} // Constructor
public void action Performed (ActionEvent e)
// check which button was clicked
if (e.getSource () btnReverse)
(
// declare strings for input and output
String phrase In, phraseOut;
phrase In txtInput.getText (); // get the input string
phraseOut String Processor.strReverse (phraseIn); //
reverse the string
txtOutput.setText (phraseOut); //output on the textfield
}
else if (e.getSource () --btnClear)
(
txtInput.setText (""); // clear both strings
txtOutput.setText ("");
}
// public void paint (Graphics g)
// Not used in our case
// ) // paint method
public static void main (String[] args)
{
new GUIExampleApp (); // Create a GUIExampleApp frame
) // main method
) // GUIExampleApp class
Transcribed Image Text:import java.awt.*; import java.awt.event.*; // for listening to buttons import javax.swing."; public class GUIExampleApp extends JFrame implements ActionListener ( // Declare class variables for labels and buttons // and variables to be used throughout the class JLabel lblInput, lbloutput; JTextField txtInput, txtOutput; JButton btnReverse, btnClear; Container frame; // declare the container frame public GUIExampleApp () // constructing the window { super ("GUIExampleApp"); // Set the frame's name frame getContent Pane (); // get the container frame // Create labels, text boxes and buttons. lblInput new JLabel ("Enter a phrase"); lbloutput new JLabel ("Output String"); txtInput = new JTextField (50); txtOutput = new JTextField (50); btnReverse new JButton ("Reverse String"); btnClear new JButton ("Clear"); // set the size and layout of the applet frame.setLayout (new GridLayout (6, 1)); // add the labels, textboxes and buttons // The order matters!! frame.add (lblInput); frame.add (txtInput); frame.add (lblOutput); frame.add (txtOutput); frame.add (btnReverse); frame.add (btnClear); // make the buttons listen to clicks on this application btnReverse.addActionListener (this); btnClear.addActionListener (this); setSize (300, 200); setVisible (true); // Set the frame's size // Show it. } // Constructor public void action Performed (ActionEvent e) // check which button was clicked if (e.getSource () btnReverse) ( // declare strings for input and output String phrase In, phraseOut; phrase In txtInput.getText (); // get the input string phraseOut String Processor.strReverse (phraseIn); // reverse the string txtOutput.setText (phraseOut); //output on the textfield } else if (e.getSource () --btnClear) ( txtInput.setText (""); // clear both strings txtOutput.setText (""); } // public void paint (Graphics g) // Not used in our case // ) // paint method public static void main (String[] args) { new GUIExampleApp (); // Create a GUIExampleApp frame ) // main method ) // GUIExampleApp class
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