Java Quiz Game (Console-Based)

This is a simple Java console application that fetches multiple-choice questions from the Open Trivia DB API and allows users to take a quiz. It demonstrates basic API integration, JSON parsing, and user interaction through the terminal.

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Features

• Gets live quiz questions from API
• Randomizes multiple-choice options
• Accepts user input and checks answers
• Tracks score and shows final result

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Technologies Used

• Java (JDK 8+)
• JSON.simple (v1.1.1)
• Open Trivia DB API
• IntelliJ Idea

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Files Included

• QuizGame.java – main game logic
• QuizService.java – handles API and parsing
• Question.java – model for each question
• json-simple-1.1.1.jar – library for JSON

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How to Run

On IntelliJ

Open project → Add .java files to src

Add json-simple-1.1.1.jar to

Project Structure → Libraries

Run QuizGame.java

API Used

Open Trivia DB

Example: https://opentdb.com/api.php?amount=5&type=multiple

Sample JSON Response:

{
  "response_code": 0,
  "results": [
    {
      "category": "General Knowledge",
      "type": "multiple",
      "difficulty": "easy",
      "question": "What is the capital of Australia?",
      "correct_answer": "Canberra",
      "incorrect_answers": ["Sydney", "Melbourne", "Perth"]
    }
  ]
}

Screenshot Example

Below is a screenshot showing the quiz running in IntelliJ IDEA:

Submitted by Aniket Saini.