JAVA: I am having a hard time including and calling the encryptString and decyptString methods in my assignment, EnryptionApplication11.

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\\Encrypt methods code

import java.util.Scanner;

public class EncryptTextMethods {

private static String encryptString(String message) {

//convert string to character array

char stringChars[] = message.toCharArray();

//for each character

for(int i=0; i

char ch = stringChars[i];

//if character within range of alphabet

if(ch = 'a') {

stringChars[i] = (char)('a' + ((int)(ch - 'a') + 1) % 26 );

}

}

//construct the string message

return String.valueOf(stringChars);

}

private static String decryptString(String message) {

//convert string to character array

char stringChars[] = message.toCharArray();

//for each character

for(int i=0; i

char ch = stringChars[i];

//if character within range of alphabet

if(ch = 'a') {

stringChars[i] = (char)('a' + ((int)(ch - 'a') - 1) % 26 );

}

}

//construct the string message

return String.valueOf(stringChars);

}

public static void main(String[] args) {

Scanner keyboard = new Scanner(System.in);

System.out.println("Please enter text to encrypt: ");

String message = keyboard.nextLine();

message = message.toLowerCase();

String encryptedStr = encryptString(message);

System.out.println("Encrypted String: " + encryptedStr);

String decryptedStr =decryptString(encryptedStr);

System.out.println("Decrypted String : " + decryptedStr);

keyboard.close();

}

}

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\\Needs to include and call the encryptString and decryptString methods (image below)

package Utils;

import javafx.application.*;

import javafx.event.EventHandler;

import javafx.event.EventType;

import javafx.geometry.*;

import javafx.scene.*;

import javafx.scene.control.*;

import javafx.scene.input.MouseEvent;

import javafx.scene.layout.*;

import javafx.stage.*;

public class EncryptionApplication11 extends Application {

public void start(Stage primaryStage) {

// Create the GridPane pane

GridPane pane = new GridPane();

pane.setPadding(new Insets(10, 10, 10, 10));

pane.setVgap(5);

// Place nodes in the GridPane pane

pane.add(new Label("Input Text:"), 0, 0);

TextArea inputTextArea=new TextArea();

inputTextArea.setPromptText("Input text here");

pane.add(inputTextArea, 0, 1);

// Create FlowPane pane

FlowPane btnPane = new FlowPane();

btnPane.setAlignment(Pos.CENTER);

pane.setHgap(5);

// Place nodes in the FlowPane pane and place

// pane in the GridPane pane

btnPane.setPadding(new Insets(10, 10, 10, 10));

btnPane.setHgap(10);

Button encryptButton = new Button("Encrypt");

Button clearButton = new Button("Clear");

Button decryptButton = new Button("Decrypt");

btnPane.getChildren().addAll(encryptButton, clearButton, decryptButton);

pane.add(btnPane, 0, 2);

// Place nodes in the GridPane pane

pane.add(new Label("Output Text:"), 0, 3);

TextArea outputTextArea=new TextArea("");

outputTextArea.setPromptText("Output text here");

pane.add(outputTextArea, 0, 4);

// Create scene and place it on the stage

Scene scene = new Scene(pane);

primaryStage.setTitle("CPT 236 Encryption Application");

primaryStage.setScene(scene);

primaryStage.show();

// Buttons events

encryptButton.addEventHandler(MouseEvent.MOUSE_ENTERED, new EventHandler() {

@Override

public void handle(MouseEvent e) {

private static String encryptString(String message) {

//convert string to character array

char stringChars[] = message.toCharArray();

//for each character

for(int i=0; i

char ch = stringChars[i];

//if character within range of alphabet

if(ch = 'a') {

stringChars[i] = (char)('a' + ((int)(ch - 'a') + 1) % 26 ); }

});

clearButton.addEventHandler(MouseEvent.MOUSE_ENTERED, new EventHandler() {

@Override

public void handle(MouseEvent e) {

inputTextArea.clear();

outputTextArea.clear();

}

});

decryptButton.addEventHandler(MouseEvent.MOUSE_ENTERED, new EventHandler() {

@Override

public void handle(MouseEvent e) {

private static String decryptString(String message) {

//convert string to character array

char stringChars[] = message.toCharArray();

//for each character

for(int i=0; i

char ch = stringChars[i];

//if character within range of alphabet

if(ch = 'a') {

stringChars[i] = (char)('a' + ((int)(ch - 'a') - 1) % 26 ); }

});

}

/**

* The main method is only needed for the IDE with limited JavaFX support.

* Not needed for running from the command line.

*/

public static void main(String[] args) {

launch(args);

}

}

\\Encrypt and Decrypt buttons need to work Also Clear button

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