Fifty Short and long Questions from C++ Programming Language

Short Questions (25):

1. What is a pointer in C++?
2. What is the difference between new and malloc in C++?
3. What is the purpose of the virtual keyword in C++?
4. What is a constructor in C++?
5. How do you declare a constant in C++?
6. What is the difference between ++i and i++?
7. What is a destructor in C++?
8. What are inline functions in C++?
9. What is a reference variable in C++?
10. What is the purpose of the const keyword in C++?
11. What is the significance of the this pointer in C++?
12. What is a function overloading in C++?
13. What is the difference between == and = in C++?
14. What is the scope resolution operator in C++?
15. What are templates in C++?
16. What are friend functions in C++?
17. What are static variables in C++?
18. How do you define a class in C++?
19. What is the difference between public, private, and protected access modifiers?
20. What are C++ STL containers?
21. What is the purpose of the throw keyword in C++?
22. How does the try and catch block work in C++?
23. What is a function template in C++?
24. What are dynamic arrays in C++?
25. What is the difference between struct and class in C++?

Long Questions (25):

1. Explain the concept of object-oriented programming (OOP) and its principles in C++.
2. What is memory management in C++? Explain how dynamic memory allocation works.
3. What is the difference between deep copy and shallow copy in C++?
4. Discuss the importance of the virtual function in C++ and how it is used in polymorphism.
5. Explain the concept of operator overloading in C++ with an example.
6. Describe the difference between a class and an object in C++ with examples.
7. Explain the significance of constructor overloading in C++ with an example.
8. What are abstract classes in C++? Explain with an example.
9. How does exception handling work in C++? Write a program demonstrating try, throw, and catch blocks.
10. What is multiple inheritance in C++? Discuss the issues related to it and how C++ solves them.
11. Explain how function templates and class templates are defined and used in C++.
12. Discuss the role of the static keyword in C++ and its usage with variables and functions.
13. Describe the various types of containers in the C++ Standard Template Library (STL).
14. What is polymorphism in C++? Explain its types with examples.
15. How does the C++ compiler manage scope and lifetime of objects? Discuss with examples.
16. What is the role of the new and delete operators in C++? How do they manage memory?
17. Discuss the use of the friend function in C++ with an example.
18. What is an interface in C++? How do you implement it using abstract classes?
19. Explain the concept of dynamic binding and late binding in C++.
20. What is the difference between a constructor and a destructor in C++? Provide examples.
21. Discuss the importance of the const keyword in C++ for function parameters and class member variables.
22. What is the purpose of the namespace keyword in C++? Give an example.
23. How can you implement a linked list using classes and pointers in C++?
24. Explain the differences between stack and queue data structures in C++, with implementation examples.
25. What are the key differences between C++ and C, and how does C++ improve upon C in terms of programming features?