Quiz

1. Select all the correct statements:

• 1. Asynchronous processing always provides results later.
  2. Asynchronous processing always provides responses quickly.
  3. Asynchronous processing can use parallel processing.
  4. Asynchronous processing always provides results faster than a blocking call.

2. Can CompletableFuture be used without using a thread pool?
3. What does nio in java.nio stand for?
4. Is an event loop the only design that supports a non-blocking API?
5. What does the Rx in RxJava stand for?
6. Which Java package of Java Class Library (JCL) supports reactive streams?
7. Select all classes from the following list that can represent an observable in a reactive stream:
   1. Flowable
   2. Probably
   3. CompletableFuture
   4. Single

8. How do you know that the particular method (operator) of the Observable class is blocking?
9. What is the difference between a cold and a hot observable?
10. The subscribe() method of...