Savan Sanghani

C# and the .NET ecosystem power everything from massive enterprise backend systems to cutting-edge Unity video games. In 2026, knowing basic C# syntax isn't enough; you need to understand the internals of the CLR.

C++ remains the titan of high-performance computing. Whether you are building AAA video games, high-frequency trading platforms, or operating systems, a mastery of C++ memory management and hardware-level operations is mandatory.

Java remains the bedrock of enterprise software, high-performance financial systems, and massive scalable backends. However, the Java interview landscape has shifted dramatically. In 2026, interviewers don't just want you to know the syntax; they expect a deep understanding of JVM internals, memory management, Virtual Threads, and modern Spring Boot architectures .