When would you use a virtual destructor?

Related questions

1. What is Static_cast INT?
2. What is polymorphism and example?
3. What is an enum class in C++?
4. What is copy constructor in C++ with example?
5. What is a namespace in C++?
6. What is type cast operator?
7. What is static type casting?
8. What is the difference between Static_cast and Dynamic_cast?
9. What is the use of Dynamic_cast in C++?
10. Is Reinterpret_cast safe?

Tags

1. #class
2. #necessary
3. #destruct
4. #while
5. #keyword
6. #resources
7. #proper
8. #objects
9. #pointer
10. #follow
11. #virtual
12. #simple
13. #derived
14. #through
15. #destructor
16. #order
17. #object
18. #should
19. #being
20. #destructors
21. #different
22. #deleted
23. #pointing
24. #delete