🎓 Student Grade Manager (C++ Project)

A modern C++ application that reads student marks from a CSV file, calculates totals, averages, and grades, and exports results in CSV & JSON formats. Built with clean class-based design, modular structure, and optional GoogleTest unit testing.

✨ Features Overview 🧱 Object-Oriented Design

Student class handles:

Marks

Total calculation

Average calculation

Grade evaluation

📥 CSV Input

Reads students from:

data/students.csv

Format:

Name Marks1 Marks2 Marks3

📤 Exports Output

data/results.csv

data/results.json

➗ Grade Logic Average Grade ≥ 90 A ≥ 75 B ≥ 60 C ≥ 40 D < 40 F 📁 Project Structure student_grade_manager/ ├── src/ │ ├── main.cpp │ ├── student.h │ ├── student.cpp │ ├── file_handler.h │ └── file_handler.cpp ├── tests/ │ └── test_student.cpp ├── data/ │ └── students.csv ├── build/ ├── Makefile ├── CMakeLists.txt └── README.md

⚙️ Build & Run 🛠 Using Makefile (Recommended) Build: make

Run: make run

Clean: make clean

🧪 Unit Testing with GoogleTest

Tests are inside:

tests/

Run using CMake:

ctest

📘 Sample Input (students.csv) Alice 95 92 88 Bob 78 74 80 Charlie 60 65 62 David 45 42 40 Eve 25 30 20

📊 Output Example (results.json) [ { "name": "Alice", "total": 275, "average": 91.66, "grade": "A" } ]

🚀 Future Enhancements 🔹 Planned Features

Interactive CLI (add/edit/delete students)

JSON library support (nlohmann-json)

Exception handling improvements

SQLite database support

REST API version (crow / cpp-httplib)

PDF & chart report generation

Performance benchmark tests

👤 Author

SSR Embedded Systems Developer • C++ • Linux/Yocto • Drivers