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C++ is a high-level, versatile, and statically typed programming language that builds on the foundation of the C programming language. Developed by Bjarne Stroustrup in the early 1980s, C++ is widely used in a lot of modern software applications. C++ aims to build on top of the existing C language, so in theory, code written in C can also be compiled and run in C++. Known for its combination of high-level abstractions and low-level control over hardware, C++ is overall a powerful and feature-rich programming language. C++ is object-oriented; this gives it the ability to create and manipulate objects, as well as concepts like classes and inheritance. This makes C++ the preferred choice for software applications, such as low-level game development. Performance in C++ is extremely good in comparison to languages like C# or Python. C++'s low-level memory management plays a crucial role in giving it low-level access to computer hardware, which makes it a suitable language for applications that need performance.
Currently, the standard library for C++ is feature-rich, allowing developers access to pre-written C++ code to do things like access the filesystem or create data structures. This means that C++ developers do not have to write boilerplate code every time they create a new C++ app; they can just include the prewritten code in the standard library and get to work. Being a multi-paradigm language, C++ gives developers the choice of what kind of programming style they would like, such as object-oriented, procedural, or functional. This versatility makes C++ a very powerful and capable programming language and gives it the ability to be considered in a wide range of different software applications across different industries.
Being cross-platform makes C++ a versatile and portable programming language. This is because C++ code can be shared and compiled on different platforms using compilers, assuming that the C++ code does not use any OS-specific code. This makes C++ a viable option when developing cross-platform applications. Overall, the C++ community and ecosystem are considered to be good, and there are a lot of tools and software written for C++ developers due to how long the language has been around. This makes development in C++ easier because software developers can include open source code from other developers in their C++ applications. In addition to this, C++ is used in a lot of legacy code bases, which means that learning C++ will always be worthwhile because there will always be old environments running legacy code that will need to be maintained by developers.
C++ being a feature-rich, versatile programming language makes it a viable option in a wide range of software applications across different industries. Here is a list of C++'s most popular use cases:
C++ is designed for a wide range of complex software applications where performance is crucial. This makes C++ preferred in settings where processing power or memory is limited, such as embedded systems, or where every drop of performance needs to be squeezed, such as a game engine. While C++ may not be very beginner-friendly or easy to use, it is still one of the most used and capable programming languages, and it's safe to say it isn't going anywhere. In addition to this, C++ also runs a very large number of legacy systems, so even if a new programming language were to replace C++, there would still be C++ developers in demand.