| S.No | Question |
|---|---|
| 1. | What is a class in C++? Explain the concept of encapsulation. |
| 2. | What is an object in C++? How is it different from a class? |
| 3. | Explain the difference between a member variable and a member function in a class. |
| 4. | What is a constructor in C++? How is it different from a regular member function? |
| 5. | What is a destructor in C++? When is it called? |
| 6. | How do you create an instance of a class in C++? |
| 7. | Explain the concept of access specifiers (public, private, protected) in C++. |
| 8. | What is the difference between a default constructor and a parameterized constructor? |
| 9. | How do you perform input and output operations in C++? |
| 10. | Explain the difference between the extraction (>>) and insertion (<<) operators. |
| 11. | How do you read and write data from/to a file in C++? |
| 12. | What is a copy constructor in C++? When is it called? |
| 13. | Explain the concept of the default constructor and its role in object initialization. |
| 14. | What is the difference between constructor overloading and function overloading in C++? |
| 15. | What is a static variable in C++? How is it different from a regular member variable? |
| 16. | Explain the concept of static function in a class. |
| 17. | What is the purpose of the static keyword in C++? |
| 18. | What is function overloading in C++? Provide an example. |
| 19. | Can you overload the assignment operator (=) in C++? Explain why or why not. |
| 20. | Explain the concept of operator overloading in C++. |
| 21. | What is inheritance in C++? Why is it useful? |
| 22. | Explain the difference between single inheritance and multiple inheritance in C++. |
| 23. | How do you prevent a class from being inherited in C++? |
| 24. | What is the purpose of the virtual keyword in C++ inheritance? |
| 25. | Explain the concept of an abstract class in C++. |
| 26. | What is polymorphism in C++? Explain with an example. |
| 27. | How do you achieve runtime polymorphism in C++? |
| 28. | What is the difference between static binding and dynamic binding in C++? |
| 29. | Explain the concept of virtual functions and function overriding in C++. |
| 30. | What is function overriding in C++? Provide an example. |
| 31. | Explain the concept of a base class and a derived class in C++. |
| 32. | Does C++ have a super keyword like Java? Explain. |
| 33. | What is a friend function in C++? How do you declare and use it? |
| 34. | What is the difference between a friend function and a member function in a class? |
| 35. | What is operator overloading in C++? Provide examples. |
| 36. | Can you overload the logical operators (&& and ||) in C++? Explain why or why not. |
| 37. | What is a virtual function in C++? How do you declare and use it? |
| 38. | What is the purpose of the virtual keyword in front of a member function? |
| 39. | How do you read from a file in C++? Provide examples. |
| 40. | How do you write to a file in C++? Provide examples. |
| 41. | What are the file opening modes in C++? |
| 42. | What are templates in C++? How do you define and use them? |
| 43. | Explain the difference between function templates and class templates in C++. |
| 44. | Can you specialize a function template in C++? Explain why or why not. |
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