C++ is a general-purpose, object-oriented programming language that was designed by Bjarne Stroustrup in 1979 to be an extension of the C language. It has the features of imperative, object-oriented as well as generic programming models. C++ also has some additional facilities to those in C such as classes, inheritance, default function argument, etc. C++ plays quite an integral role in modern times as many contemporary systems such as operating systems, web browsers, databases, etc. have C++ code in at least some part of their codebase. Moreover, C++ is quite useful in performance-critical areas because of its speed.
Top 10 Reasons to Learn C++
Whether you're an aspiring software developer, a seasoned engineer, or someone looking to improve your coding skills, here are 10 detailed reasons why learning C++ can boost your career and skill set, Keeping the popularity and relevance of C++ in mind, the top 10 reasons to learn it are given below
1. C++ Popularity and High Salary
C++ is one of the most popular languages in the world. It is used by some 4.4 million developers worldwide. Also, C++ Developers are quite sought and they hold some of the most high-paying jobs in the industry with an average base pay of $103, 035 per year.
- Why it matters: Despite newer languages emerging, C++ remains highly relevant in industries where performance and memory control are critical. Its applications in finance (high-frequency trading), embedded systems, game development, and automotive software make it a valuable skill for job seekers.
- Example: Major industries like gaming (with engines like Unity), aerospace (spacecraft software), and financial tech (algorithmic trading systems) rely on C++ for their development.
2. C++ has Abundant Library Support
C++ has the Standard Template Library(STL) which is very useful as it helps in writing code compactly and quickly as required. It contains mainly four components i.e. algorithms, containers, functions, and iterators. The algorithms are of different types such as sorting, searching, etc. The containers store classes to implement different data structures that are commonly used such as stacks, queues, hash tables, vectors, sets, lists, maps, etc. The functors allow the working of the associated function to be customized with the help of the parameters passed. Also, the iterators are used for working upon a sequence of values.
- Why it matters: C++ has a rich set of libraries and frameworks that can be leveraged to speed up development. From graphics libraries like OpenGL to data structure libraries such as STL (Standard Template Library), C++ offers powerful tools that help developers solve complex problems quickly and efficiently.
- Example: Libraries like Boost and Qt provide pre-built functions that developers can use to avoid "reinventing the wheel," thus speeding up the development process and ensuring robust, production-ready applications.
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3. C++ has a Large Community
There is a large online community of C++ users and experts that is particularly helpful in case any support is required. There are a lot of resources like GeeksforGeeks etc. available on the internet regarding C++. Some of the other online resources for C++ include StackOverflow, cppreference.com, Standard C++, etc.
- Why it matters: Since its creation in 1985, C++ has developed a vast and active global community. This provides developers with an abundance of online forums, tutorials, libraries, and tools to help solve almost any problem. Additionally, open-source projects allow beginners to learn by contributing.
- Example: Resources like Stack Overflow, GitHub, and cppreference.com provide solutions and best practices for common and advanced C++ challenges, making it easier for developers to get help and continue learning
4. C++ in Databases
There are many modern-day databases such as MySQL, MongoDB, MemSQL, etc. that are written in C++. This is because C++ is quite modern and it supports features like exceptions, lambda expressions, etc. Many of the databases that are written in C++ are used in almost all of the in-use applications such as YouTube, WordPress, Twitter, Facebook, etc.
- Why it matters: Many high-performance database systems, including MySQL and SQLite, are built using C++ because of its efficiency and control over hardware. C++ enables developers to fine-tune database management systems to handle large volumes of data and provide fast data retrieval and transactions.
- Example: MySQL uses C++ to handle operations like data manipulation and indexing at scale, making it ideal for systems that require real-time data processing and large-scale transactional databases.
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5. C++ in Operating Systems
All the major operating systems such as Windows, Linux, Android, Ubuntu, iOS, etc. are written in a combination of C and C++. The Windows applications are written in C++, while Android applications are written in Java along with C/C++ with non-default run-times for C++ support. Also, C++ can be used to develop the core of the applications in iOS. In general, C or C++ are used in operating systems because of the speed and strongly typed nature of these languages.
- Why it matters: C++ is integral to developing operating systems due to its low-level capabilities and performance efficiency. It is used to write kernels, device drivers, and other core system functionalities. C++ allows developers to interact directly with hardware, which is essential for systems programming.
- Example: The Windows operating system and Mac OS X (especially the kernel part) use C++ for various system-level functionalities. The ability to work with memory management and resources directly makes C++ the perfect choice for operating system development.
6. C++ in Compilers
C++ is closer to the hardware level and is a comparatively low-level language. Because of this reason, it is used in many compilers as a backend programming language. An example of this is the GNU Compiler Collection (GCC) which is currently written mostly in C++ along with C.
- Why it matters: C++ plays a key role in the development of compilers, which are programs that translate high-level code into machine-readable code. Its efficiency and performance make it ideal for writing compilers that need to process and optimize code quickly.
- Example: Popular compilers like GCC (GNU Compiler Collection) and Clang are built using C++. These compilers handle a wide variety of programming languages, and C++ ensures they perform optimally for complex tasks like code generation and optimization.
7. C++ in Web Browsers
A lot of web browsers are developed using C++ such as Chrome, Firefox, Safari, etc. Chrome contains C++ in the rendering engine, JavaScript engine, and UI. Firefox uses mainly in the rendering engine and a little in the UI. Safari also uses C++ in the rendering engine and JavaScript engine. All these web browsers and more use C++, particularly in the rendering engines because it provides the required speed that is necessary for the rendering engines since they need to display the content at an accelerated rate.
- Why it matters: C++ is crucial for building the core components of web browsers. Many popular browsers, including Google Chrome and Mozilla Firefox, use C++ to handle rendering engines, JavaScript engines, and other performance-intensive tasks.
- Example: Google Chrome uses the V8 JavaScript engine, which is written in C++, to quickly execute JavaScript code, enabling a fast, responsive user experience. C++ is also used in the Blink rendering engine, which handles the layout of web pages
8. C++ in Graphics
Applications requiring graphics such as digital image processing, computer vision, screen recording programs, etc. use C++ due to its high speed. This can also include different games that have graphics as a big part of their structure.
- Why it matters: C++ is a dominant language for creating graphics-intensive applications, from video games to simulations. Libraries like OpenGL and DirectX are used with C++ to render high-quality 2D and 3D graphics, making it an essential skill for game developers and graphics engineers.
- Example: Unreal Engine and Unity (which support C++) are some of the most widely used game development engines, allowing developers to create photorealistic graphics for gaming, simulations, and virtual reality applications.
9. C++ in Embedded Systems
C++ is closer to the hardware level and so it is quite useful in embedded systems as the software and hardware in these are closely coupled. There are many embedded systems that use C++ such as smart watches, MP3 players, GPS systems, etc.
- Why it matters: C++ is a go-to language for embedded systems, where hardware resources (like memory and processing power) are limited. Its low-level access to hardware combined with its efficiency makes it the ideal choice for developing software that interacts directly with the hardware in devices such as microcontrollers and sensors.
- Example: Arduino, a popular microcontroller platform, allows developers to write firmware using C++ (via the Arduino IDE), which is then used to control hardware for devices like robots, sensors, and IoT applications.
10. C++ is Portable
Program developed in C++ that can be moved from one platform to another. This is one of the main reasons that applications requiring multi-platform or multi-device development often use C++.
- Why it matters: One of C++'s biggest advantages is its portability. With minimal adjustments, C++ programs can be compiled and run on virtually any platform, including Windows, Linux, and macOS. This makes it a versatile language for developing cross-platform applications.
- Example: Applications like Dropbox and Spotify are written in C++ to ensure they work across various operating systems without the need for a complete rewrite. This cross-platform ability makes C++ ideal for companies targeting multiple device ecosystems (PC, mobile, embedded, etc.).
Conclusion
C++ continues to be an essential language in the tech world because of its performance, versatility, and wide application across multiple domains, from system-level programming to gaming and embedded systems. Whether you're building operating systems, optimizing web browsers, or developing interactive graphics, C++ offers the tools and capabilities needed to build fast, efficient, and scalable solutions.