C++ 🧑‍💻⚡

1. What is C++?

C++ is a powerful programming language used for system programming, game engines, high-performance applications, and competitive programming.

2. Where is C++ Used?

Game Engines 🎮 (Unreal Engine)
Operating Systems 💻
Browsers 🌐 (Chrome parts)
Finance Systems 💰
Embedded Systems ⚙️

3. Basic Syntax

#include 
using namespace std;

int main() {
    cout << "Hello World";
    return 0;
}

4. OOP Concepts

Encapsulation 🔒
Inheritance 🧬
Polymorphism 🔄
Abstraction 🎭

5. Memory Management

Stack memory 📦 → automatic
Heap memory 🧠 → manual (new/delete)
Pointers 👉 memory addresses

6. Pointers

int x = 10;
int* p = &x;

cout << *p; // value of x

7. Key Features

Fast ⚡
Close to hardware 🧠
Object-oriented 🧱
Memory control 🔧

8. Why C++ is Powerful

Used where speed matters:
- AAA Games 🎮
- Real-time systems ⚡
- High-frequency trading 💰