⚡ C++ Fundamentals

My hands-on C++ practice repo — from hello world to OOP and STL.

---

📁 Topics Covered

#	Topic	Status
01	Basics	✅
02	Variables & Data Types	✅
03	Input & Output	✅
04	Conditions	✅
05	Loops	✅
06	Functions	✅
07	Arrays	✅
08	Strings	✅
09	Pointers	✅
10	OOP (Classes & Objects)	✅
11	STL	✅

---

🧠 Key Concepts

Pointers — Variables that store memory addresses, giving direct access to memory.

int x = 10;
int* ptr = &x;
cout << *ptr; // 10

OOP — Organizing code into classes with data and behavior bundled together.

class Car {
  public:
    string brand;
    void drive() { cout << brand << " is driving!"; }
};

STL — Ready-to-use data structures and algorithms from the standard library.

vector<int> nums = {3, 1, 4, 1, 5};
sort(nums.begin(), nums.end());

---

🚀 How to Run

# Clone the repo
git clone https://github.com/matheeshainduwara/cpp-learning.git

# Compile any file
g++ 01-basics/hello.cpp -o hello

# Run it
./hello

---

⭐ Star this repo if you find it helpful!