CS 2323 – HW 09 1) (Histogram) Write a program that lets the user enter a text. Clicking the Show Histogram button displays the occurrences of the letters in the text in a histogram, as shown below....

Solution1/Histogram.java
Solution1/Histogram.java
package com.histogram;
import java.util.ArrayList;
import java.util.List;
import javafx.application.*;
import javafx.collections.*;
import javafx.event.*;
import javafx.geometry.*;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.scene.paint.*;
import javafx.scene.shape.*;
import javafx.scene.text.*;
import javafx.stage.*;
public class Histogram extends Application {

//Implenentation of start function
     @Override
    public void start(Stage primaryStage) {
        VBox vbox = new VBox();
        //call setSpacing function
        vbox.setSpacing(10);
        TextArea textObject = new TextArea();
        textObject.setMaxSize(380, 200);
        textObject.setWrapText(true);
        //Create an object for Button class
        Button btObject = new Button();
        //call setText function
        btObject.setText("Show Histogram");
        vbox.setAlignment(Pos.CENTER);
        vbox.getChildren().addAll(textObject, btObject);
        Scene scene = new Scene(vbox, 400, 220);
        //call setTitle function
        primaryStage.setTitle("Exercise16_10");
        primaryStage.setScene(scene);
        //call show function
        primaryStage.show();
        double prefSize = 10;
        ScrollBar vertScrollBar = (ScrollBar) textObject.lookup(".scroll-bar:vertical");
        ScrollBar horizScrollBar = (ScrollBar) textObject.lookup(".scroll-bar:horizontal");
        vertScrollBar.setPrefWidth(prefSize);
        horizScrollBar.setPrefWidth(prefSize);
        //Implementation of setOnAction function
        btObject.setOnAction((ActionEvent event) -> {
            String inputString = textObject.getText();
            int[] numbers = new int[26];
            inputString = inputString.toLowerCase();
            int[] frequency = new int[26];
            for (...