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HIImportant C++ Questions to Revise Before your Interview
1. What is the use of the `inline` keyword in C++?
2. Explain the diamond problem in C++.
3. What is a friend function in C++?
4. What is the difference between `struct` and `class` in C++?
5. What is the difference between delete and delete[] in C++?
6. What are preprocessor directives in C++?
7. What is the purpose of the `explicit` keyword in C++?
8. Explain the concept of “deep copy” and “shallow copy” in C++.
9. What is the use of the `namespace` keyword in C++?
10. What is a static member in C++?
11. What is the difference between malloc() and new in C++?
12. What is a constructor in C++?
13. Explain the differences between C and C++.
14. What is a virtual function in C++?
15. What is a template in C++?
16. What are access specifiers in C++?
17. What is a move constructor in C++?
18. What is a destructor in C++?
19. What are the differences between pointers and references in C++?
20. How is exception handling implemented in C++?
21. What is a class and an object in C++?
22. What is the purpose of the `typedef` keyword in C++?
23. Explain the use of smart pointers in C++.
24. What are virtual destructors in C++?
25. What is dynamic memory allocation in C++?
26. What are rvalue references in C++?
27. What is the purpose of the `std` namespace?
28. What is the use of the “mutable” keyword in C++?
29. What is the difference between stack and heap memory in C++?
30. What is the significance of the “this” pointer in C++?
31. What are the uses of the `const` keyword in C++?
32. Explain memory leaks in C++ and how to avoid them.
33. How does C++ handle memory management differently than Java?
34. What is a copy constructor in C++?
35. What is the Standard Template Library (STL) in C++?
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