Is Default necessary in switch case in Java?

Related questions

1. What happens if there is no break in a switch statement?
2. Can we convert string to integer in Java?
3. Can Switch case be used for all data types?
4. Can we use strings in switch case in C?
5. What is valueOf in Java?
6. Can we use expression in switch case in C?
7. What is the difference between equals and equalsIgnoreCase in Java?
8. How do you solve NumberFormatException?
9. How does parseInt work java?
10. Can a switch statement be used around a string?

Tags

1. #waste
2. #terminated
3. #statement
4. #there
5. #switch
6. #necessary
7. #complexity
8. #increases
9. #satisified
10. #default
11. #useful
12. #matched
13. #automatically
14. #reason
15. #executes