HCLTech Technical Lead interview questions

C++ Fundamentals: Basics: Explain the difference between C and C++. Variables: Discuss the concept of pointers and how they are used in C++. Functions: What is function overloading and how does it work? Classes and Objects: Explain the principles of object-oriented programming (OOP) and how they are implemented in C++ with concepts like encapsulation, inheritance, and polymorphism. Memory Management: How does memory management work in C++? Discuss the difference between automatic and dynamic memory allocation.