🍓 Quizberry 🍓

A True/False Quiz App for Informatics (Πληροφορική) – Greek National Exams

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Quizberry – Informatics Quiz (Πανελλήνιες / Greek National Exams)

Quizberry is an educational True/False quiz application built with Java, created for students preparing for the Greek National Exams (Πανελλήνιες) in Informatics (A.E.P.P.).
The project contains a database of 200 questions (in Greek) stored in a JSON file, covering key Informatics topics.

Each game selects 20 random questions out of the 200, making every playthrough unique and challenging.

Features ✨

• ✅ True/False format for quick learning.
• 🔊 Sound feedback for both correct and wrong answers.
• 🎚 Mute/Unmute button to toggle sound anytime.
• 🎲 Randomized quiz session: 20 questions are selected randomly from the 200.
• 🏆 Score display: shows how many correct answers you got out of 20 (e.g., 15/20).
• 🔄 Restart button to start a new session immediately.

Screenshots 📸

Screenshots

How It Works ⚙️

1. The app loads 200 Informatics questions from the JSON file.
2. On each playthrough, 20 random questions are selected.
3. The player answers True/False for each question.
4. Immediate sound feedback is given:
   • ✅ Correct → plays a "correct" sound.
   • ❌ Wrong → plays a "wrong" sound.
5. A mute/unmute button lets the player disable sounds anytime.
6. At the end, the player sees their score out of 20.
7. The Restart button allows for a new random session.

Technologies Used 🛠

• Java (main application)
• JSON (question storage)
• Java Sound API (sound effects)