What happens if we put a key object in a HashMap which exists?

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4. What is Array in Scala?
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6. What is iterator in Scala?
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Tags

1. #again
2. #explanation
3. #hashcode
4. #contains
5. #class
6. #unique
7. #hashmap
8. #twice
9. #exists
10. #method
11. #inserted
12. #hashed
13. #replaces
14. #previous
15. #which
16. #object
17. #always
18. #hashing
19. #happens
20. #first
21. #internal