Shaz Software Solutions

Quiz Application

Every Question Screen

Quiz Result Screen

Multiple Choice Quiz Application

Class: FormatUI.java
Class: QA.java
Class: UserQA.java
Class: Quiz.java
Class: QuizUI.java
Class: QuizMain.java
Author: Shahrzad Jahangirian
Language: Java (using Java 8)
Date Added: November 11, 2021
Licence: As always all source codes are for showing my skills in Software Development to get me a Job as Software Developer. You are not allowed to sell this Application or use my codes to develop an application for Sale or apply my codes to develop software for commercial use and profit. You can offer me a price to buy the Application for mass production or buy my codes to develop your own application for profit.
Description: This is a simple Multiple choice Quiz Application.

How to Run: I run this program in Windows 10 Command line Prompt with Java(TM) SE Runtime Environment 8
Compile and Run it as below:
I assumed you saved all files at C:\javacodes then you need to compile following files on command prompt in exact following orders
C:\javacodes> javac FormatUI.java -d c:\javacodes "compiles the FormatUI class"
C:\javacodes> javac QA.java -d c:\javacodes "compiles the QA class"
C:\javacodes> javac UserQA.java -d c:\javacodes "compiles the UserQA class"
C:\javacodes> javac Quiz.java -d c:\javacodes "compiles the Quiz class"
C:\javacodes> javac QuizUI.java -d c:\javacodes "compiles the QuizUI class"
C:\javacodes> javac QuizMain.java "compiles the QuizMain class"
C:\javacodes> Java QuizMain "to run Quiz Application"

Class: FormatUI.java
FormatUI class adding needed properties for all Graphical User Interface(GUI) that I placed in this application screen. It is a utility class that I used for many of my Java Swing Applications.

/*
Class: FormatUI
Author: Shahrzad Jahangirian
Update Date: June 28, 2021
Description: A class for User Interface component setup
*/
package QuizPKG;

import javax.swing.*;
import java.awt.*;
import java.awt.*;
import javax.swing.*;
import java.lang.Exception;
import java.lang.*;

public class FormatUI {

public FormatUI() {

}

/* A method to return a formatted JLabel
   formatLabel(variable name,text,x-cordinate,y-cordinate,
     width,height,background Red RGB color,background Green RGB color,
   background Blue RGB color, foreground Red RGB color, foreground Green RGB color,
   foreground Blue RGB color, font face string,
   font style number(PLAIN, BOLD, ITALIC, or BOLD+ITALIC), font size.
   */
  public JLabel formatLabel(JLabel aLabel, String txt, int x, int y, int width,
                            int height, int Bred, int Bgreen, int Bblue,
                            int Fred, int Fgreen, int Fblue, String fontFace,
                            int fontStyle, int fontSize, int vert, int horz) {
    aLabel.setOpaque(true);
    aLabel.setText(txt);
    aLabel.setBounds(new Rectangle(x, y, width, height));
    aLabel.setBackground(new Color(Bred, Bgreen, Bblue));
    aLabel.setForeground(new Color(Fred, Fgreen, Fblue));
    aLabel.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    aLabel.setVerticalAlignment(vert);
    aLabel.setHorizontalAlignment(horz);

return aLabel;
  }

public JLabel formatLabel(JLabel aLabel, int x, int y, int width,
                            int height, int Bred, int Bgreen, int Bblue,
                            int Fred, int Fgreen, int Fblue, String fontFace,
                            int fontStyle, int fontSize, int vert, int horz) {
    aLabel.setOpaque(true);
    aLabel.setBounds(new Rectangle(x, y, width, height));
    aLabel.setBackground(new Color(Bred, Bgreen, Bblue));
    aLabel.setForeground(new Color(Fred, Fgreen, Fblue));
    aLabel.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    aLabel.setVerticalAlignment(vert);
    aLabel.setHorizontalAlignment(horz);

return aLabel;
  }

public JRadioButton formatRadioButton(JRadioButton aRadioButton, String txt, int x, int y, int width,
                           int height, int Bred, int Bgreen, int Bblue,
                           int Fred, int Fgreen, int Fblue, String fontFace,
                           int fontStyle, int fontSize) {
   aRadioButton.setOpaque(true);
   aRadioButton.setText(txt);
   aRadioButton.setBounds(new Rectangle(x, y, width, height));
   aRadioButton.setBackground(new Color(Bred, Bgreen, Bblue));
   aRadioButton.setForeground(new Color(Fred, Fgreen, Fblue));
   aRadioButton.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
   return aRadioButton;
 }

public JTextField formatTextField(JTextField aTextField, String txt, int x,
                                    int y, int width, int height, int Bred,
                                    int Bgreen,
                                    int Bblue, int Fred, int Fgreen, int Fblue,
                                    String fontFace, int fontStyle,
                                    int fontSize
                                    ) {
    aTextField.setBorder(BorderFactory.createLoweredBevelBorder());
    aTextField.setOpaque(true);
    aTextField.setText(txt);
    aTextField.setBounds(new Rectangle(x, y, width, height));
    aTextField.setBackground(new Color(Bred, Bgreen, Bblue));
    aTextField.setForeground(new Color(Fred, Fgreen, Fblue));
    aTextField.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    return aTextField;
  }

public JFormattedTextField formatFormattedTextField(JFormattedTextField
      aFormattedTextField, int x, int y, int width, int height, String option,
      int Bred, int Bgreen,
      int Bblue, int Fred, int Fgreen, int Fblue, String fontFace,
      int fontStyle, int fontSize
      ) throws
      Exception {
    aFormattedTextField.setBorder(BorderFactory.createLoweredBevelBorder());
    aFormattedTextField.setOpaque(true);
    aFormattedTextField.setBounds(new Rectangle(x, y, width, height));
    aFormattedTextField.setBackground(new Color(Bred, Bgreen, Bblue));
    aFormattedTextField.setForeground(new Color(Fred, Fgreen, Fblue));
    aFormattedTextField.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    return aFormattedTextField;
  }

public JComboBox formatComboBox(JComboBox aComboBox, int x, int y, int width,
                                  int height, boolean editable,
                                  boolean selected,
                                  int index, int Bred, int Bgreen,
                                  int Bblue, int Fred, int Fgreen, int Fblue,
                                  String fontFace,
                                  int fontStyle, int fontSize
                                  ) {
    aComboBox.setBorder(BorderFactory.createLoweredBevelBorder());
    aComboBox.setBounds(new Rectangle(x, y, width, height));
    aComboBox.setOpaque(true);
    aComboBox.setBackground(new Color(Bred, Bgreen, Bblue));
    aComboBox.setForeground(new Color(Fred, Fgreen, Fblue));
    aComboBox.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    aComboBox.setEditable(editable);
    if (selected == true) {
      aComboBox.setSelectedIndex(index);
    }
    return aComboBox;
  }

public JScrollPane formatScrollPane(JScrollPane aScrollpane, int x, int y,
                                      int width,
                                      int height, int Bred, int Bgreen,
                                      int Bblue, int Fred, int Fgreen,
                                      int Fblue, String fontFace,
                                      int fontStyle, int fontSize
                                      ) {
    aScrollpane.setBorder(BorderFactory.createLoweredBevelBorder());
    aScrollpane.setBounds(new Rectangle(x, y, width, height));
    aScrollpane.setBackground(new Color(Bred, Bgreen, Bblue));
    aScrollpane.setForeground(new Color(Fred, Fgreen, Fblue));
    aScrollpane.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    aScrollpane.setOpaque(true);

return aScrollpane;
  }

// 15 arguments
  public JTextArea formatTextArea(JTextArea aTextArea, String txt, int x, int y,
                                  int width, int height, int Bred, int Bgreen,
                                  int Bblue, int Fred, int Fgreen,
                                  int Fblue, String fontFace, int fontStyle,
                                  int fontSize
                                  ) {
    aTextArea.setLineWrap(true);
    aTextArea.setWrapStyleWord(true);
    aTextArea.setEditable(true);
    aTextArea.setBounds(new Rectangle(x, y, width, height));
    aTextArea.setBackground(new Color(Bred, Bgreen, Bblue));
    aTextArea.setForeground(new Color(Fred, Fgreen, Fblue));
    aTextArea.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    aTextArea.setBorder(BorderFactory.createLoweredBevelBorder());
    return aTextArea;
  }

// 15 arguments
  public TextArea formatTextArea(TextArea aTextArea, String txt, int x, int y,
                                 int width, int height, int Bred, int Bgreen,
                                 int Bblue, int Fred, int Fgreen,
                                 int Fblue, String fontFace, int fontStyle,
                                 int fontSize
                                 ) {
   aTextArea.setEditable(true);
   aTextArea.setBounds(new Rectangle(x, y, width, height));
   aTextArea.setBackground(new Color(Bred, Bgreen, Bblue));
   aTextArea.setForeground(new Color(Fred, Fgreen, Fblue));
   aTextArea.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
   return aTextArea;
 }

public JButton formatButton(JButton aButton, String txt, int x, int y,
                              int width,
                              int height, int Bred, int Bgreen,
                              int Bblue, int Fred, int Fgreen, int Fblue,
                              String fontFace,
                              int fontStyle, int fontSize
                              ) {
    aButton.setOpaque(true);
    aButton.setText(txt);
    aButton.setBounds(new Rectangle(x, y, width, height));
    aButton.setBackground(new Color(Bred, Bgreen, Bblue));
    aButton.setForeground(new Color(Fred, Fgreen, Fblue));
    aButton.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));

return aButton;
  }

public JCheckBox formatCheckBox(JCheckBox aButton, String txt, int x, int y,
                              int width,
                              int height, int Bred, int Bgreen,
                              int Bblue, int Fred, int Fgreen, int Fblue,
                              String fontFace,
                              int fontStyle, int fontSize
                              ) {
    aButton.setOpaque(true);
    aButton.setText(txt);
    aButton.setBounds(new Rectangle(x, y, width, height));
    aButton.setBackground(new Color(Bred, Bgreen, Bblue));
    aButton.setForeground(new Color(Fred, Fgreen, Fblue));
    aButton.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));

return aButton;
  }

public JPanel formatPanel(JPanel aPanel, int border, Color lineColor,
                            int lineThick,
                            String borderTitle, int x, int y, int width,
                            int height, int Bred, int Bgreen, int Bblue,
                            int Fred, int Fgreen, int Fblue, String fontFace,
                            int fontStyle, int fontSize) {
    aPanel.setOpaque(true);
    aPanel.setBounds(new Rectangle(x, y, width, height));
    aPanel.setBackground(new Color(Bred, Bgreen, Bblue));
    aPanel.setForeground(new Color(Fred, Fgreen, Fblue));
    aPanel.setFont(new java.awt.Font(fontFace, fontStyle, fontSize));
    switch (border) {
      case 0:
        aPanel.setBorder(BorderFactory.createLoweredBevelBorder());
        break;
      case 1:
        aPanel.setBorder(BorderFactory.createEmptyBorder());
        break;
      case 2:
        aPanel.setBorder(BorderFactory.createEtchedBorder());
        break;
      case 3:
        aPanel.setBorder(BorderFactory.createLineBorder(lineColor, lineThick));
        break;
      case 4:
        aPanel.setBorder(BorderFactory.createRaisedBevelBorder());
        break;
      case 5:
        aPanel.setBorder(BorderFactory.createTitledBorder(borderTitle));
        break;
    }
    return aPanel;
  }

}

Class: QA.java
This class has structure of one Quiz Question and Answer

/*
 Class: QA
 Author: Shahrzad Jahangirian
 Date: June 28, 2021
 Description: This class has structure of one Quiz Question and Answer
 */

package QuizPKG;

public class QA {

private String question = new String("");
  private String answer1 = new String("");
  private String answer2 = new String("");
  private String answer3 = new String("");
  private String answer4 = new String("");
  private String correctAnswer = new String("");

public QA() {

}

public String getQuestion() {
    return question;
  }

public String getAnswer1() {
    return answer1;
  }

public String getAnswer2() {
    return answer2;
  }

public String getAnswer3() {
    return answer3;
  }

public String getAnswer4() {
    return answer4;
  }

public String getCorrectAnswer() {
    return correctAnswer;
  }

public void setQuestion(String question) {
    this.question = question;
  }

public void setAnswer1(String answer1) {
    this.answer1 = answer1;
  }

public void setAnswer2(String answer2) {
    this.answer2 = answer2;
  }

public void setAnswer3(String answer3) {
    this.answer3 = answer3;
  }

public void setAnswer4(String answer4) {
    this.answer4 = answer4;
  }

public void setCorrectAnswer(String correctAnswer) {
    this.correctAnswer = correctAnswer;
  }

}

Class: UserQA.java
This class has structure of one Quiz Question, User Answer, and Correct Answer.

/*
 Class: UserQA
 Author: Shahrzad Jahangirian
 Date: July 22, 2021
 Description: This class has structure of one Quiz Question, User Answer, and Correct Answer
 */

package QuizPKG;

public class UserQA {

private String question = new String("");
  private String userAnswer = new String("");
  private String correctAnswer = new String("");

public UserQA() {

}

public boolean compareAnswer() {
    boolean answer = false;
    if (correctAnswer.equals(userAnswer) == true) {
      answer = true;
    }
    else {
      answer = false;
    }
    return answer;
  }

public String getQuestion() {
    return question;
  }

public String getUserAnswer() {
    return userAnswer;
  }

public String getCorrectAnswer() {
    return correctAnswer;
  }

public void setQuestion(String question) {
    this.question = question;
  }

public void setUserAnswer(String userAnswer) {
    this.userAnswer = userAnswer;
  }

public void setCorrectAnswer(String correctAnswer) {
    this.correctAnswer = correctAnswer;
  }

}

Class: Quiz.java
This class does the Quiz Processing.

/*
 Class: Quiz
 Author: Shahrzad Jahangirian
 Date: June 28, 2021
 Description: This class does the Quiz Processing
 */

package QuizPKG;

import java.util.*;
import QuizPKG.QA;

public class Quiz {

private String[] data = {
      "Which Solar System planet has the most moons?", "Jupiter", "Mars",
      "Saturn", "Venus", "Saturn",
      "What are the five colors of the Olympic rings?",
      "Orange, Blue, Green, Red, Purple", "Blue, Yellow, Black, Green, Red",
      "Black, Pink, Yellow, Red, Blue", "Red, Orange, Purple, Black, Blue",
      "Blue, Yellow, Black, Green, Red",
      "What is the capital of Iceland?", "Ottawa", "Zagreb", "Reykjav�k",
      "Vladivostok", "Reykjav�k", "Who painted the Mona Lisa? ", "Raphael",
      "Leonardo da Vinci", "Michelangelo", "Van Gogh", "Leonardo da Vinci",
      "Which planet is closest to the sun?", "Neptune", "Pluto", "Venus",
      "Mercury", "Mercury",
      "Which is the only edible food that never goes bad?", "Tea",
      "Honey", "Peanuts", "Coffee", "Honey",
      "Which two countries have not missed one of the modern-day Olympics?",
      "Germany and Italy", "UK and Argentina", "Greece and Australia",
      "USA and France", "Greece and Australia",
      "How many hearts does an octopus have?", "1", "2", "3",
      "4", "3", "What sport is named the King of Sports?", "Volleyball",
      "Soccer",
      "Golf", "Tennis", "Soccer", "What language is spoken in Brazil?",
      "Spanish",
      "French", "Portuguese", "Quechua", "Portuguese"};

private QA qa = new QA();
  private int counter = 0;

public Quiz() {

}

public QA getQAset(int index) {
    qa = new QA();
    qa.setQuestion(data[index]);
    qa.setAnswer1(data[index + 1]);
    qa.setAnswer2(data[index + 2]);
    qa.setAnswer3(data[index + 3]);
    qa.setAnswer4(data[index + 4]);
    qa.setCorrectAnswer(data[index + 5]);
    return qa;
  }

public Integer[] shuffle() {
    Integer[] countArray = {
        0, 6, 12, 18, 24, 30, 36, 42, 48, 54};
    List < Integer > countList = Arrays.asList(countArray);
    Collections.shuffle(countList);
    countList.toArray(countArray);
    return countArray;
  }

public String getMessage(int count) {
    String msg = new String("");

switch (count) {
      case 10: {
        msg = "Congratulations, You are a Champion. You have answered all 10 Questions Correctly.";
      }
      break;
      case 9: {
        msg = "Excellent, You have answered 9 Questions Correctly.";
      }
      break;
      case 8: {
        msg = "Very Good, You have answered 8 Questions Correctly.";
      }
      break;
      case 7: {
        msg = "Good Work, You have answered 7 Questions Correctly.";
      }
      break;
      case 6: {
        msg = "You have just passed with answering 6 Questions Correctly.";
      }
      break;
      case 0: {
        msg = "I am Speechless, None of your Answers is Correct.";
      }
      break;
      default: {
        msg = "Time to learn more General Knowledge, You have answered Only " +
            count + " Questions Correctly.";
      }
      break;
    }
    return msg;
  }

}

Class: QuizUI.java
A Screen Graphical User Interface for Quiz Application.

/*
 Class: QuizUI
 Author: Shahrzad Jahangirian
 Date: June 28, 2021
 Description: A Screen Graphical User Interface for Quiz Application
 */

package QuizPKG;

import javax.swing.*;
import java.awt.*;
import java.util.*;
import java.awt.event.*;
import java.lang.*;

import QuizPKG.QA;
import QuizPKG.UserQA;

public class QuizUI
    extends JFrame {
  private JPanel infoPanel = new JPanel();
  private JLabel qLabel = new JLabel();
  private JButton nextButton = new JButton();
  private JButton resetButton = new JButton();
  private JTextArea reportTextArea = new JTextArea();
  private JScrollPane scroll = new JScrollPane(reportTextArea,
                                               JScrollPane.
                                               VERTICAL_SCROLLBAR_ALWAYS,
                                               JScrollPane.
                                               HORIZONTAL_SCROLLBAR_NEVER);
  private JLabel statusBarLabel = new JLabel();
  private JRadioButton firstRadioButton = new JRadioButton();
  private JRadioButton secondRadioButton = new JRadioButton();
  private JRadioButton thirdRadioButton = new JRadioButton();
  private JRadioButton fourthRadioButton = new JRadioButton();
  private ButtonGroup quizButtonGroup = new ButtonGroup();

protected FormatUI format = new FormatUI();
  private int index = 0;
  private QA qa = new QA();
  private UserQA userQA = new UserQA();
  private ArrayList < UserQA > userArrayList = new ArrayList < UserQA > (10);
  private Quiz quiz = new Quiz();
  private Integer[] indexArray;
  private int indexArraySize = 0;

public QuizUI() {
    try {
      jbInit();
      startQuiz();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

private void jbInit() throws Exception {
    formatUserInterfaces();
    setupListeners();
    infoPanel.setBackground(new Color(233, 236, 241));
    infoPanel.setLayout(null);
    addToPanel();
    this.getContentPane().setBackground(new Color(233, 236, 241));
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    this.setResizable(true);
    this.setSize(700, 580);
    this.setResizable(false);
    this.getContentPane().setLayout(new BorderLayout());
    this.getContentPane().add(infoPanel, null);
    this.setTitle("General Knowledge Quiz");
  }

public void addToPanel() {
    infoPanel.add(qLabel);
    infoPanel.add(firstRadioButton);
    infoPanel.add(secondRadioButton);
    infoPanel.add(thirdRadioButton);
    infoPanel.add(fourthRadioButton);
    setVisibility(false);
    infoPanel.add(nextButton);
    infoPanel.add(resetButton);
    infoPanel.add(scroll);
    infoPanel.add(statusBarLabel);
  }

public void setVisibility(boolean visible){
      qLabel.setVisible(visible);
      firstRadioButton.setVisible(visible);
      secondRadioButton.setVisible(visible);
      thirdRadioButton.setVisible(visible);
      fourthRadioButton.setVisible(visible);
  }

public void formatUserInterfaces() {
    qLabel = format.formatLabel(qLabel, "", 15, 20,
                                670, 25, 233, 236, 241, 69, 69, 67,
                                "Arial", 0, 14, SwingConstants.CENTER,
                                SwingConstants.LEFT);
    firstRadioButton = format.formatRadioButton(firstRadioButton, "", 14, 50,
                                                670,
                                                25, 233, 236, 241, 69, 69, 67,
                                                "Arial", 0, 14);
    secondRadioButton = format.formatRadioButton(secondRadioButton, "", 14, 80,
                                                 670,
                                                 25, 233, 236, 241, 69, 69, 67,
                                                 "Arial", 0, 14);
    thirdRadioButton = format.formatRadioButton(thirdRadioButton, "", 14, 110,
                                                670,
                                                25, 233, 236, 241, 69, 69, 67,
                                                "Arial", 0, 14);
    fourthRadioButton = format.formatRadioButton(fourthRadioButton, "", 14, 140,
                                                 670,
                                                 25, 233, 236, 241, 69, 69, 67,
                                                 "Arial", 0, 14);
    quizButtonGroup.add(firstRadioButton);
    quizButtonGroup.add(secondRadioButton);
    quizButtonGroup.add(thirdRadioButton);
    quizButtonGroup.add(fourthRadioButton);

resetButton = format.formatButton(resetButton, "RESET", 589, 235, 90,
                                     25, 243, 243,
                                     243, 69, 69, 67, "Arial", Font.BOLD,
                                     12);
    nextButton = format.formatButton(nextButton, "START", 489, 235, 90, 25,
                                      243, 243,
                                      243, 69, 69, 67, "Arial", Font.BOLD,
                                      12);

reportTextArea = format.formatTextArea(reportTextArea, "", 19, 280, 640,
                                           235, 255, 255, 255, 69, 69, 67,
                                           "Arial", 0, 12);
    reportTextArea.setEditable(false);
    reportTextArea.setFocusable(true);

scroll = format.formatScrollPane(scroll, 14, 275, 665, 240, 255, 255, 255,
                                     130, 128, 127, "Arial", 0, 12);

statusBarLabel = format.formatLabel(statusBarLabel, "",
                                        1, 525,
                                        698, 25, 233, 236, 241, 73, 69, 71,
                                        "Arial", 0, 12,
                                        SwingConstants.CENTER,
                                        SwingConstants.LEFT);
    statusBarLabel.setBorder(BorderFactory.createLoweredBevelBorder());

}

public void setupListeners() {
    reportTextArea.addMouseMotionListener(new
                                          QuizUI_reportTextArea_mouseMotionAdapter(this));
    nextButton.addActionListener(new QuizUI_nextButton_actionAdapter(this));
    resetButton.addActionListener(new QuizUI_resetButton_actionAdapter(this));
    firstRadioButton.addActionListener(new
                                       QuizUI_firstRadioButton_actionAdapter(this));
    secondRadioButton.addActionListener(new
                                        QuizUI_secondRadioButton_actionAdapter(this));
    thirdRadioButton.addActionListener(new
                                       QuizUI_thirdRadioButton_actionAdapter(this));
    fourthRadioButton.addActionListener(new
                                        QuizUI_fourthRadioButton_actionAdapter(this));
  }

public void actionPerformed(ActionEvent e) {

}

public void startQuiz() {
    indexArray = new Integer[10];
    indexArray = quiz.shuffle();
    indexArraySize = indexArray.length;
    index = 0;
    statusBarLabel.setText("");
  }

public void processQuestionAnswer() {
    qa = quiz.getQAset(indexArray[index]);
    displayQAset();
  }

public void displayQAset() {
    userQA = new UserQA();
    qLabel.setText(qa.getQuestion());
    quizButtonGroup.clearSelection();
    firstRadioButton.setText(qa.getAnswer1());
    secondRadioButton.setText(qa.getAnswer2());
    thirdRadioButton.setText(qa.getAnswer3());
    fourthRadioButton.setText(qa.getAnswer4());
    setVisibility(true);
    userQA.setQuestion(qa.getQuestion());
    userQA.setCorrectAnswer(qa.getCorrectAnswer());
  }

void nextButton_actionPerformed(ActionEvent e) {

if (index < indexArraySize) {
      processQuestionAnswer();
      userArrayList.add(userQA);
      index++;
      nextButton.setLabel("NEXT");
    }
    else {
      statusBarLabel.setText(" You have reached end of QUIZ");
      displayResult();
    }
  }

public void displayResult() {
   boolean answer;
   int counter = 0;
   int questionCounter = 1;
   for (int i = 0; i < indexArraySize; i++) {
     answer = ( (UserQA) userArrayList.get(i)).compareAnswer();
     if (answer == true) {
       counter++;
     }
     reportTextArea.append("Question "+ questionCounter +": " + ( (UserQA) userArrayList.get(i)).getQuestion()+ "\n");
     questionCounter++;
     reportTextArea.append("Your Answer: " +
                        ( (UserQA) userArrayList.get(i)).getUserAnswer()+ "\n");
     reportTextArea.append("Correct Answer: " +
                        ( (UserQA) userArrayList.get(i)).getCorrectAnswer()+ "\n \n");
   }
   reportTextArea.append(quiz.getMessage(counter)+"\n");
   nextButton.setEnabled(false);
 }

void firstRadioButton_actionPerformed(ActionEvent e) {
    userQA.setUserAnswer(qa.getAnswer1());
  }

void secondRadioButton_actionPerformed(ActionEvent e) {
    userQA.setUserAnswer(qa.getAnswer2());
  }

void thirdRadioButton_actionPerformed(ActionEvent e) {
    userQA.setUserAnswer(qa.getAnswer3());
  }

void fourthRadioButton_actionPerformed(ActionEvent e) {
    userQA.setUserAnswer(qa.getAnswer4());
  }

void resetButton_actionPerformed(ActionEvent e) {
    QA qa = new QA();
    userArrayList = new ArrayList < UserQA > (10);
    setVisibility(false);
    reportTextArea.setText("");
    nextButton.setEnabled(true);
    nextButton.setLabel("START");
    startQuiz();
  }

}

class QuizUI_nextButton_actionAdapter
    implements java.awt.event.ActionListener {
  QuizUI adaptee;

QuizUI_nextButton_actionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }

public void actionPerformed(ActionEvent e) {
    adaptee.nextButton_actionPerformed(e);
  }
}

class QuizUI_resetButton_actionAdapter
    implements java.awt.event.ActionListener {
  QuizUI adaptee;

QuizUI_resetButton_actionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }

public void actionPerformed(ActionEvent e) {
    adaptee.resetButton_actionPerformed(e);
  }
}

class QuizUI_firstRadioButton_actionAdapter
    implements java.awt.event.ActionListener {
  QuizUI adaptee;

QuizUI_firstRadioButton_actionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }

public void actionPerformed(ActionEvent e) {
    adaptee.firstRadioButton_actionPerformed(e);
  }
}

class QuizUI_secondRadioButton_actionAdapter
    implements java.awt.event.ActionListener {
  QuizUI adaptee;

QuizUI_secondRadioButton_actionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }

public void actionPerformed(ActionEvent e) {
    adaptee.secondRadioButton_actionPerformed(e);
  }
}

class QuizUI_thirdRadioButton_actionAdapter
    implements java.awt.event.ActionListener {
  QuizUI adaptee;

QuizUI_thirdRadioButton_actionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }

public void actionPerformed(ActionEvent e) {
    adaptee.thirdRadioButton_actionPerformed(e);
  }
}

class QuizUI_fourthRadioButton_actionAdapter
    implements java.awt.event.ActionListener {
  QuizUI adaptee;

QuizUI_fourthRadioButton_actionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }

public void actionPerformed(ActionEvent e) {
    adaptee.fourthRadioButton_actionPerformed(e);
  }
}

class QuizUI_reportTextArea_mouseMotionAdapter
    extends java.awt.event.MouseMotionAdapter {
  QuizUI adaptee;

QuizUI_reportTextArea_mouseMotionAdapter(QuizUI adaptee) {
    this.adaptee = adaptee;
  }
}

Class: QuizMain.java
Quiz application starts from this class