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  1. import java.awt.*;
  2. import java.awt.event.*;
  3. import java.io.*;
  4. import java.util.ArrayList;
  5.  
  6. public class QuizApplication extends Frame implements ActionListener {
  7.     private Label questionLabel;
  8.     private CheckboxGroup optionsGroup;
  9.     private Checkbox option1, option2, option3, option4;
  10.     private Button previousButton, nextButton, submitButton;
  11.     private ArrayList<Question> questions;
  12.     private int currentQuestionIndex;
  13.     private int score;
  14.  
  15.     public QuizApplication() {
  16.         setLayout(new FlowLayout());
  17.         setTitle("Quiz Application");
  18.         setSize(400, 300);
  19.         addWindowListener(new WindowAdapter() {
  20.             public void windowClosing(WindowEvent e) {
  21.                 dispose();
  22.             }
  23.         });
  24.  
  25.         questionLabel = new Label();
  26.         optionsGroup = new CheckboxGroup();
  27.         option1 = new Checkbox();
  28.         option2 = new Checkbox();
  29.         option3 = new Checkbox();
  30.         option4 = new Checkbox();
  31.         previousButton = new Button("Previous");
  32.         nextButton = new Button("Next");
  33.         submitButton = new Button("Submit");
  34.  
  35.         add(questionLabel);
  36.         add(option1);
  37.         add(option2);
  38.         add(option3);
  39.         add(option4);
  40.         add(previousButton);
  41.         add(nextButton);
  42.         add(submitButton);
  43.  
  44.         previousButton.addActionListener(this);
  45.         nextButton.addActionListener(this);
  46.         submitButton.addActionListener(this);
  47.  
  48.         questions = loadQuestionsFromFile("questions.txt");
  49.         currentQuestionIndex = 0;
  50.         score = 0;
  51.         displayQuestion(currentQuestionIndex);
  52.     }
  53.  
  54.     private ArrayList<Question> loadQuestionsFromFile(String filename) {
  55.         ArrayList<Question> loadedQuestions = new ArrayList<>();
  56.         try (BufferedReader br = new BufferedReader(new FileReader(filename))) {
  57.             String line;
  58.             while ((line = br.readLine()) != null) {
  59.                 String[] parts = line.split(",");
  60.                 if (parts.length >= 5) {
  61.                     Question question = new Question(parts[0], parts[1], parts[2], parts[3], parts[4]);
  62.                     loadedQuestions.add(question);
  63.                 }
  64.             }
  65.         } catch (IOException e) {
  66.             e.printStackTrace();
  67.         }
  68.         return loadedQuestions;
  69.     }
  70.  
  71.     private void displayQuestion(int index) {
  72.         Question currentQuestion = questions.get(index);
  73.         questionLabel.setText(currentQuestion.getQuestion());
  74.         option1.setLabel(currentQuestion.getOption1());
  75.         option2.setLabel(currentQuestion.getOption2());
  76.         option3.setLabel(currentQuestion.getOption3());
  77.         option4.setLabel(currentQuestion.getOption4());
  78.     }
  79.  
  80.     private void checkAnswer() {
  81.         Question currentQuestion = questions.get(currentQuestionIndex);
  82.         Checkbox selectedOption = optionsGroup.getSelectedCheckbox();
  83.         if (selectedOption != null && selectedOption.getLabel().equals(currentQuestion.getCorrectAnswer())) {
  84.             score++;
  85.         }
  86.     }
  87.  
  88.     private void displayResult() {
  89.         removeAll();
  90.         Label resultLabel = new Label("Your score: " + score + "/" + questions.size());
  91.         add(resultLabel);
  92.         setVisible(true);
  93.     }
  94.  
  95.     public void actionPerformed(ActionEvent e) {
  96.         if (e.getSource() == nextButton) {
  97.             checkAnswer();
  98.             if (currentQuestionIndex < questions.size() - 1) {
  99.                 currentQuestionIndex++;
  100.                 displayQuestion(currentQuestionIndex);
  101.             }
  102.         } else if (e.getSource() == previousButton) {
  103.             if (currentQuestionIndex > 0) {
  104.                 currentQuestionIndex--;
  105.                 displayQuestion(currentQuestionIndex);
  106.             }
  107.         } else if (e.getSource() == submitButton) {
  108.             checkAnswer();
  109.             displayResult();
  110.         }
  111.     }
  112.  
  113.     public static void main(String[] args) {
  114.         QuizApplication quizApp = new QuizApplication();
  115.         quizApp.setVisible(true);
  116.     }
  117. }
  118.  
  119. class Question {
  120.     private String question;
  121.     private String option1;
  122.     private String option2;
  123.     private String option3;
  124.     private String option4;
  125.     private String correctAnswer;
  126.  
  127.     public Question(String question, String option1, String option2, String option3, String option4, String correctAnswer) {
  128.         this.question = question;
  129.         this.option1 = option1;
  130.         this.option2 = option2;
  131.         this.option3 = option3;
  132.         this.option4 = option4;
  133.         this.correctAnswer = correctAnswer;
  134.     }
  135.  
  136.     // Getters
  137.     public String getQuestion() {
  138.         return question;
  139.     }
  140.  
  141.     public String getOption1() {
  142.         return option1;
  143.     }
  144.  
  145.     public String getOption2() {
  146.         return option2;
  147.     }
  148.  
  149.     public String getOption3() {
  150.         return option3;
  151.     }
  152.  
  153.     public String getOption4() {
  154.         return option4;
  155.     }
  156.  
  157.     public String getCorrectAnswer() {
  158.         return correctAnswer;
  159.     }
  160. }
Success #stdin #stdout 0.03s 25672KB
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import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.ArrayList;

public class QuizApplication extends Frame implements ActionListener {
    private Label questionLabel;
    private CheckboxGroup optionsGroup;
    private Checkbox option1, option2, option3, option4;
    private Button previousButton, nextButton, submitButton;
    private ArrayList<Question> questions;
    private int currentQuestionIndex;
    private int score;

    public QuizApplication() {
        setLayout(new FlowLayout());
        setTitle("Quiz Application");
        setSize(400, 300);
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                dispose();
            }
        });

        questionLabel = new Label();
        optionsGroup = new CheckboxGroup();
        option1 = new Checkbox();
        option2 = new Checkbox();
        option3 = new Checkbox();
        option4 = new Checkbox();
        previousButton = new Button("Previous");
        nextButton = new Button("Next");
        submitButton = new Button("Submit");

        add(questionLabel);
        add(option1);
        add(option2);
        add(option3);
        add(option4);
        add(previousButton);
        add(nextButton);
        add(submitButton);

        previousButton.addActionListener(this);
        nextButton.addActionListener(this);
        submitButton.addActionListener(this);

        questions = loadQuestionsFromFile("questions.txt");
        currentQuestionIndex = 0;
        score = 0;
        displayQuestion(currentQuestionIndex);
    }

    private ArrayList<Question> loadQuestionsFromFile(String filename) {
        ArrayList<Question> loadedQuestions = new ArrayList<>();
        try (BufferedReader br = new BufferedReader(new FileReader(filename))) {
            String line;
            while ((line = br.readLine()) != null) {
                String[] parts = line.split(",");
                if (parts.length >= 5) {
                    Question question = new Question(parts[0], parts[1], parts[2], parts[3], parts[4]);
                    loadedQuestions.add(question);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return loadedQuestions;
    }

    private void displayQuestion(int index) {
        Question currentQuestion = questions.get(index);
        questionLabel.setText(currentQuestion.getQuestion());
        option1.setLabel(currentQuestion.getOption1());
        option2.setLabel(currentQuestion.getOption2());
        option3.setLabel(currentQuestion.getOption3());
        option4.setLabel(currentQuestion.getOption4());
    }

    private void checkAnswer() {
        Question currentQuestion = questions.get(currentQuestionIndex);
        Checkbox selectedOption = optionsGroup.getSelectedCheckbox();
        if (selectedOption != null && selectedOption.getLabel().equals(currentQuestion.getCorrectAnswer())) {
            score++;
        }
    }

    private void displayResult() {
        removeAll();
        Label resultLabel = new Label("Your score: " + score + "/" + questions.size());
        add(resultLabel);
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == nextButton) {
            checkAnswer();
            if (currentQuestionIndex < questions.size() - 1) {
                currentQuestionIndex++;
                displayQuestion(currentQuestionIndex);
            }
        } else if (e.getSource() == previousButton) {
            if (currentQuestionIndex > 0) {
                currentQuestionIndex--;
                displayQuestion(currentQuestionIndex);
            }
        } else if (e.getSource() == submitButton) {
            checkAnswer();
            displayResult();
        }
    }

    public static void main(String[] args) {
        QuizApplication quizApp = new QuizApplication();
        quizApp.setVisible(true);
    }
}

class Question {
    private String question;
    private String option1;
    private String option2;
    private String option3;
    private String option4;
    private String correctAnswer;

    public Question(String question, String option1, String option2, String option3, String option4, String correctAnswer) {
        this.question = question;
        this.option1 = option1;
        this.option2 = option2;
        this.option3 = option3;
        this.option4 = option4;
        this.correctAnswer = correctAnswer;
    }

    // Getters
    public String getQuestion() {
        return question;
    }

    public String getOption1() {
        return option1;
    }

    public String getOption2() {
        return option2;
    }

    public String getOption3() {
        return option3;
    }

    public String getOption4() {
        return option4;
    }

    public String getCorrectAnswer() {
        return correctAnswer;
    }
}
https://ideone.com/NJktBP
language:
PHP (php 7.3.5)
created:
13 days ago
visibility:
public

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