What is the purpose of default in switch case?

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2. Can we use expression in switch case?
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5. Is switch faster than if?
6. Can we use continue in switch case?
7. What is the use of switch case?
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Tags

1. #value
2. #statement
3. #there
4. #expression
5. #switch
6. #keyword
7. #matches
8. #default
9. #whose
10. #constant
11. #associated
12. #evaluate
13. #match
14. #initial
15. #execute
16. #keywords
17. #executed