Quiz System Application

This is a Java-based Quiz System application that allows administrators to manage questions and students to take quizzes.

Features

• User Authentication: Users can log in with their username and password. The system supports two roles: administrators and students.
• Admin Question Management: Administrators can add new multiple-choice questions to the quiz.
• Student Quiz Taking: Students can take quizzes consisting of randomly selected questions. The system calculates and displays the student's score.
• Data Storage: User and quiz data are stored in JSON files (users.json and quiz.json).

Technologies Used

• Java
• json-simple library for JSON processing

Prerequisites

• Java Development Kit (JDK) 8 or later
• IntelliJ IDEA (or your preferred Java IDE)
• Gradle (if you want to use the provided Gradle build)

Setup Instructions

1. Clone the repository:

   git clone <repository_url>
   cd <repository_name>

2. Open the project in IntelliJ IDEA:

   • Open IntelliJ IDEA.
   • Select "Open or Import Project."
   • Navigate to the project directory and select the build.gradle file (if you are using Gradle) or the project directory itself.
   • IntelliJ IDEA will import the project.

3. Add the json-simple library (if not using Gradle):

   • If you're not using Gradle, you'll need to manually add the json-simple library to your project.
   • Download the json-simple JAR file from https://mvnrepository.com/artifact/com.googlecode.json-simple/json-simple/1.1.1
   • In IntelliJ IDEA, go to "File" -> "Project Structure" -> "Modules" -> "Dependencies".
   • Click the "+" button and select "JARs or directories".
   • Add the downloaded JAR file.

4. Configure the JSON file paths:

   • Ensure that the users.json and quiz.json files are located in the data/ directory.
   • The file paths are defined relative to the project's root directory.

5. Build the project:

   • Using IntelliJ IDEA: Go to "Build" -> "Build Project".
   • Using Gradle: Run the command gradle build in the terminal.

6. Run the application:

   • Using IntelliJ IDEA: Open the Main.java file and run the main method.
   • Using Gradle: Run the command gradle run in the terminal.

• model/: Contains classes that represent the data entities (User, Question).
• controller/: Contains classes that handle the application's logic (Admin, Student).
• util/: Contains utility classes, such as JsonHandler for handling JSON file operations.
• Main.java: The entry point of the application.
• data/: Directory containing the JSON files for user and quiz data.

How to Use

1. Login:

• The application prompts for a username and password.
• Use the following default credentials:
  • Admin: username = "admin", password = "1234"
  • Student: username = "mahbub", password = "1234" (You can add more users to the users.json file)

2. Admin Functionality:

• After logging in as an admin, you can add questions to the quiz.
• Follow the prompts to enter the question, options, and answer key.

3. Student Functionality:

• After logging in as a student, you can start the quiz.
• The application will present questions, and you can enter your answers.
• Your score will be displayed at the end of the quiz.

Demonstration

Click on the video

Future Enhancements

• Implement saving quiz results.
• Introduce difficulty levels for questions.
• Implement a timer for the quiz.
• Develop a graphical user interface (GUI).

Author

Mahbubur Rahman

License

This project is not licensed...yet!