Can you mock concrete classes?

Related questions

1. What is a mock project?
2. What is mock unit test?
3. How do you run a jest test?
4. What is dummy object?
5. What are dummy verbs?
6. What is double marker test?
7. What is the use of mock in unit testing C#?
8. Why are mock frameworks used in JUnit testing?
9. What is mock setup?
10. In which week is double marker test done?

Tags

1. #parameterless
2. #framework
3. #virtual
4. #provide
5. #abstract
6. #mocking
7. #additionally
8. #classes
9. #always
10. #because
11. #knows
12. #constructor
13. #class
14. #concrete
15. #interfaces
16. #instantiate
17. #almost
18. #methods