Stream method findFirst is a short-circuiting terminal operation that processes the stream pipeline and terminates processing as soon as the first object from the stream pipeline is found. The method returns a(n) ________ containing the object that was found, if any.
A) Optional
B) Discretionary
C) Elective
D) Extra

Question

Quizplus · Accepted Answer

The method findFirst returns an Optional containing the object that was found, if any. Optional is used to represent a value that may or may not be present, which is appropriate in this case because the stream pipeline may or may not produce a result that satisfies the findFirst condition.

Stream Method FindFirst Is a Short-Circuiting Terminal Operation That Processes