How do you check if a substring is present in a string in Java?

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1. #false
2. #contains
3. #another
4. #returns
5. #between
6. #otherwise
7. #boolean
8. #third
9. #while
10. #later
11. #return
12. #present
13. #substring
14. #value
15. #difference
16. #string
17. #method
18. #former
19. #check
20. #indexof