Question

Hello I need help with this. I am trying to use JOptionpane to ask 5 questions. However I cannot get the program to do anything after an initial selection is made.

Here is the assignment.

Write an application that creates a quiz, which contains at least five questions about a hobby, popular music, astronomy, or any other personal interest. Each question should be a multiple choice question with at least three options. When a user answers a question correctly, display a congratulatory message. If a user responds to a question incorrectly, display an appropriate message as well as a correct answer. At the end of the quiz display the number of correct and incorrect answers and the percentage of correct answers. Save the file as Quiz.java.

1 import javax.swing.*;
2 import javax.swing.JDialog;
3 import javax.swing.JOptionPane;
4
5 public class JOptionPaneTest3
6 {
7   public static void main(String[] args)
8   {
9    String Astronomy = "";
10    String astronomyQuestions;
11    
12     JDialog.setDefaultLookAndFeelDecorated(true);
13     Object[] selectionValues = { "Sports", "Astronomy", "Popular Music" };
14     String initialSelection = "Sports";
15     Object selection = JOptionPane.showInputDialog(null, "Which category would you like to test your knowledge on?",
16         "Knowledge Quiz", JOptionPane.QUESTION_MESSAGE, null, selectionValues, initialSelection);
17     
18     
19      
20    while(selection == Astronomy)
21     {
22     JOptionPane.showMessageDialog(null," You have Selected Astronomy ");
23     
24     
25     /* Then ask questions here on each topic using radio buttons*/
26     // for example what is the name of our galaxy?//
27       /*(a) Milky Way*/
28       /*(b) Galaxy n Beyond*/
29       /*(c) Galaxy 90210*/
30       /*(d) Galaxy Gemini*/
31     
32     /* If correct disply congratulations*/
33     /* If wrong display correct answer*/
34     
35
36     }
37 }

38 }

Answer 1

Provided Java GUI code as per your requirements.

• "Screen shot program" code for better understanding.
• "Code to copy" to run the program execution in IDE.

Screen shot program:

Output:

Code to copy:

//Header file section
import javax.swing.*;
import java.lang.String;
//main class, Quiz.java
public class Quiz
{
//main method
public static void main(String args[])
{
  //Declare variables
  String question;
  int q1 = 0, q2 = 0, q3 = 0, q4 = 0, q5 = 0;
  double correct = 0, incorrect = 0;
  double percent = 0;
  //Quiz contains five questions
  /*Each question should be a multiple choice question with at least three options.
   * When a user answers a question correctly, display a congratulatory message.
   * If a user responds to a question incorrectly, display an appropriate message
   * as well as a correct answer.*/
  question = JOptionPane.showInputDialog(null,
      "Question 1: which of following is a not hobby:?"
      + "\n1 - Watching movies \n2 - Killing"
      + "\n3 - Stamp collection");
  q1 = Integer.parseInt(question);

  if (q1 == 2)
  {
   JOptionPane.showMessageDialog(null, "Congratulations.Correct Answer!");
   correct++;
  } else
  {
   JOptionPane.showMessageDialog(null,"Incorrect. The Correct Answer: 2-Killing.");
   incorrect++;
  }
  question = JOptionPane.showInputDialog(null,
    "Question 2. who is not singer "
      + "\n1 - Britney spears \n2 - Ashok"
      + "\n3 - michael jacksons");
  q2 = Integer.parseInt(question);

  if (q2 == 2)
  {
   JOptionPane.showMessageDialog(null, "Congratulations.Correct Answer!");
   correct++;
  } else
  {
   JOptionPane.showMessageDialog(null,"Incorrect. The Correct Answer: 2 - Ashok.");
   incorrect++;
  }
  question = JOptionPane.showInputDialog(null,
    "Question 3.The largest circular storm in our solar system is on the surface of"
    + "which of the following planets?"
      + "\n1 - Jupiter \n2 - Earth"
      + "\n3 - Venus");
  q3 = Integer.parseInt(question);

  if (q3 == 1) {
   JOptionPane.showMessageDialog(null, "Congratulations.Correct Answer!");
   correct++;
  } else {
   JOptionPane.showMessageDialog(null,"Incorrect. The Correct Answer: 1 - Jupiter.");
   incorrect++;
  }
  question = JOptionPane.showInputDialog(null,
    "Question 4. Who is present president of america(2015)?"
      + "\n1 - George H. W. Bush \n2 - John Adams"
      + "\n3 - Barack Obama");
  q4 = Integer.parseInt(question);

  if (q4 == 3) {
   JOptionPane.showMessageDialog(null, "Congratulations.Correct Answer!");
   correct++;
  } else {
   JOptionPane.showMessageDialog(null,"Incorrect. The Correct Answer: 3 - Barack Obama.");
   incorrect++;
  }

  question = JOptionPane
    .showInputDialog(
      null,
      "Question 5. In 2003, who won the Award for Best Actress in a Leading Role for her role in The Hours?"
        + "\n1 - Nicole Kidman \n2 - Halle Berry"
        + "\n3 - Cate");
  q5 = Integer.parseInt(question);

  if (q5 == 1)
  {
   JOptionPane.showMessageDialog(null, "Congratulations.Correct Answer!");
   correct++;
  } else {
   JOptionPane.showMessageDialog(null,"Incorrect. The Correct Answer: 1 - Nicole Kidman.");
   incorrect++;
  }
  //Calculate the percentage of correct answer
  percent = (correct * 100) / (correct + incorrect);
  
  //Display the number of correct and incorrect answers
  //and the percentage of correct answers
  System.out.print("Correct Answers: " + correct + "\n");
  System.out.print("Incorrect Answers: " + incorrect + "\n");
  System.out.print("Percentage of correct answers: " + percent + "%");
}
}