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GUI.java E 1 import java.awt.*; 2 import javax.swing. *; 3 import java.awt.event. *; 4 5 class Main extends JFrame implements ActionListener { 6 7 JButton btnClear, btnEn, btnDe; 8 JTextField txtIn, txtOut; JLabel lblEn, lblDe; 9 0 1 ▼ public Main () { 2 3 super("Super Spy Encryption"); 4 5 btnClear = new JButton("Clear"); btnEn = new JButton("Encrypt"); btnDe= new JButton("Decrypt"); 7 8 9 0 btnClear. addActionListener(this); btnEn. addActionListener(this); ActionListener(this); 1 2 3 txtIn= new JTextField(50); 4 txtOut= new JTextField(50); 5 6 lblEn= new JLabel("Type your message to Encrypt here"); lblDe= new JLabel("Type your message to Decrypt here"); 7 8 9 setLayout(new GridLayout(7,1)); 0 add (lblen); 1 add (txtIn); 2 add (lblDe); 3 add (txtOut); 4 add (btnEn); 5 add (btnDe); 6 add (btnClear); 7 8 setSize(300,300); 9 setVisible(true); 0 1 } // Constructor 2 public void action Performed (ActionEvent e) 3▼ { 4 // check which button was clicked 5 if (e.getSource () == btnDe) 6

GUI.java E 1 import java.awt.*; 2 import javax.swing. *; 3 import java.awt.event. *; 4 5 class Main extends JFrame implements ActionListener { 6 7 JButton btnClear, btnEn, btnDe; 8 JTextField txtIn, txtOut; JLabel lblEn, lblDe; 9 0 1 ▼ public Main () { 2 3 super("Super Spy Encryption"); 4 5 btnClear = new JButton("Clear"); btnEn = new JButton("Encrypt"); btnDe= new JButton("Decrypt"); 7 8 9 0 btnClear. addActionListener(this); btnEn. addActionListener(this); ActionListener(this); 1 2 3 txtIn= new JTextField(50); 4 txtOut= new JTextField(50); 5 6 lblEn= new JLabel("Type your message to Encrypt here"); lblDe= new JLabel("Type your message to Decrypt here"); 7 8 9 setLayout(new GridLayout(7,1)); 0 add (lblen); 1 add (txtIn); 2 add (lblDe); 3 add (txtOut); 4 add (btnEn); 5 add (btnDe); 6 add (btnClear); 7 8 setSize(300,300); 9 setVisible(true); 0 1 } // Constructor 2 public void action Performed (ActionEvent e) 3▼ { 4 // check which button was clicked 5 if (e.getSource () == btnDe) 6

Database System Concepts
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
Problem 1PE
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Please help I am having trouble with my gui for my encryption and decryption java code The encryption and decryption java code is below and the gui file is in the photos import java.util.*;
public class Main
{   
    public static boolean isALetter(char letter){
        if( (letter >= 'a' && letter = 'A' && letter =-32767 && encryptKey
GUI.java B 1 import java.awt.*; 2 import javax.swing. *; 3 import java.awt.event. *; 4 5 class Main extends JFrame implements ActionListener { 6 7 JButton btnClear, btnEn, btnDe; 8 JTextField txtIn, txtOut; JLabel lblEn, lblDe; 9 10 11 ▼ public Main () { 12 13 super("Super Spy Encryption"); 14 15 16 btnClear = new JButton("Clear"); btnEn = new JButton("Encrypt"); btnDe= new JButton("Decrypt"); 17 18 19 20 btnClear. addActionListener(this); btnEn. addActionListener(this); btnDe. 21 ionListener(this); 22 23 txtIn= new JTextField (50); 24 txtOut= new JTextField(50); 25 26 lblEn= new JLabel("Type your message to Encrypt here"); lblDe= new JLabel("Type your message to Decrypt here"); 27 28 29 set Layout(new GridLayout(7,1)); 30 add (lblen); 31 add (txtIn); 32 add (lblDe); 33 add (txtOut); 34 add (btnEn); 35 add (btnDe); 36 add (btnClear); 37 38 setSize(300, 300); 39 setVisible(true); 40 41 } // Constructor 42 public void action Performed (ActionEvent e) 43 ▼ { 44 // check which button was clicked 45 if (e.getSource () == btnDe)
Transcribed Image Text:GUI.java B 1 import java.awt.*; 2 import javax.swing. *; 3 import java.awt.event. *; 4 5 class Main extends JFrame implements ActionListener { 6 7 JButton btnClear, btnEn, btnDe; 8 JTextField txtIn, txtOut; JLabel lblEn, lblDe; 9 10 11 ▼ public Main () { 12 13 super("Super Spy Encryption"); 14 15 16 btnClear = new JButton("Clear"); btnEn = new JButton("Encrypt"); btnDe= new JButton("Decrypt"); 17 18 19 20 btnClear. addActionListener(this); btnEn. addActionListener(this); btnDe. 21 ionListener(this); 22 23 txtIn= new JTextField (50); 24 txtOut= new JTextField(50); 25 26 lblEn= new JLabel("Type your message to Encrypt here"); lblDe= new JLabel("Type your message to Decrypt here"); 27 28 29 set Layout(new GridLayout(7,1)); 30 add (lblen); 31 add (txtIn); 32 add (lblDe); 33 add (txtOut); 34 add (btnEn); 35 add (btnDe); 36 add (btnClear); 37 38 setSize(300, 300); 39 setVisible(true); 40 41 } // Constructor 42 public void action Performed (ActionEvent e) 43 ▼ { 44 // check which button was clicked 45 if (e.getSource () == btnDe)
46 ▼ { 47 // declare strings for input and output 48 String phraseIn, phraseOut; 49 phraseIn = txtIn.getText (); // get the input string 50 phraseOut = phraseIn.reverse(); 51 txtOut.setText (phraseOut); 52 } == btnClear) 53 else if (e.getSource () 54▼ { 55 txtIn.setText (""); // clear both strings 56 txtOut.setText (""); 57 58 } 59 } 60 public static void main(String[] args) 61 ▼ { 62 new Main(); 63 } 64 }
Transcribed Image Text:46 ▼ { 47 // declare strings for input and output 48 String phraseIn, phraseOut; 49 phraseIn = txtIn.getText (); // get the input string 50 phraseOut = phraseIn.reverse(); 51 txtOut.setText (phraseOut); 52 } == btnClear) 53 else if (e.getSource () 54▼ { 55 txtIn.setText (""); // clear both strings 56 txtOut.setText (""); 57 58 } 59 } 60 public static void main(String[] args) 61 ▼ { 62 new Main(); 63 } 64 }
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