📚 Study Tracker (Java)

A console-based Java application to track study sessions with file persistence, real-time session tracking, and subject-wise analytics.

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🚀 Features

• ➕ Add study sessions (hours & minutes)
• ⏱️ Live session tracking (auto-calculated duration)
• 💾 File-based data persistence (sessions.txt)
• 🔍 Search sessions by subject
• ❌ Delete sessions by ID
• 📊 Subject-wise analytics (total time + most studied subject)
• 🔄 Auto-save using multithreading

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🧠 Tech Stack

• Java
• OOP (Object-Oriented Programming)
• File Handling (BufferedReader, BufferedWriter)
• Multithreading
• Collections (ArrayList, HashMap)

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📁 Project Structure

StudyTracker/
│
├── Main.java
├── StudySession.java
├── FileManager.java
├── sessions.txt (auto-generated, ignored)
└── .gitignore

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▶️ How to Run

javac Main.java StudySession.java FileManager.java
java Main

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💡 Key Concepts Implemented

• Modular design using OOP
• Persistent storage using file handling
• Background auto-save using daemon threads
• Real-time session tracking using system timestamps
• Data aggregation using HashMap

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📌 Notes

• sessions.txt stores all session data locally
• File is ignored via .gitignore
• Auto-save runs in background every 10 seconds

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👨‍💻 Author

Laksh Makkar