Top Answers

1. Should you assert not null with the assert statement in production code?
   27 votes
2. What is the point of extending a sealed class with a non-sealed class?
   21 votes
3. What is the difference between a final and a non-sealed class in Java 15's sealed-classes feature?
   13 votes
4. After executing wait(), how long does a thread wait if it does not get notified from other threads?
   9 votes
5. Why does parallelStream use a ForkJoinPool, not a normal thread pool?
   8 votes