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What is C++?

Bjarne Stroustrup began developing C++ at Bell Labs in 1979 as "C with Classes," and the language has evolved through decades of standardization into one of the most powerful and complex programming languages in existence. C++ combines low-level memory control with high-level abstractions including templates, operator overloading, multiple inheritance, and an extensive standard library (the STL). It dominates performance-critical domains: game engines (Unreal Engine, Unity's native layer), web browsers (Chrome, Firefox), databases (MySQL, MongoDB), financial trading systems, and scientific simulation software all rely on C++.

The language's template metaprogramming capabilities enable compile-time computation, and features like RAII (Resource Acquisition Is Initialization) provide deterministic resource management without garbage collection. Modern C++ standards have transformed the language — C++11 introduced move semantics, lambdas, and smart pointers; C++17 added structured bindings, std::optional, and parallel algorithms; C++20 brought concepts, coroutines, ranges, and modules; C++23 continues with std::expected, std::print, and deducing this. The compiler ecosystem is mature and diverse, with GCC, Clang, and MSVC competing on optimization quality and standards compliance.

Package management has historically been a weakness, but tools like vcpkg, Conan, and CMake's FetchContent have improved dependency handling. Despite its steep learning curve, C++ remains the language of choice when maximum performance, hardware access, and zero-cost abstractions are required simultaneously.