1. Which package contains Stream API?
2. Which annotation marks a method as deprecated?
3. Which functional interface is used in lambda expressions?
4. Which method is used to start a Stream pipeline?
5. Which method executes terminal operation on Stream?
6. Which keyword is used to create an immutable variable?
7. Which class is used for atomic operations?
8. Which executor is used for managing a pool of threads?
9. Which method stops a thread immediately (not recommended)?