Assuming that the variable myStringArrayList has been populated to contain a collection of String objects, which expression finds the number of elements in a stream created from the myStringArrayList collection?
A)myStringArrayList.of().count()
B)myStringArrayList.stream().count()
C)myStringArrayList.stream().size()
D)myStringArrayList.stream().length()

Question

Quizplus · Accepted Answer

To create a stream from a collection, we call the stream() method on the collection object. Once we have a stream object, we can use the count() method to find the number of elements in the stream. Therefore, the correct expression to find the number of elements in a stream created from the myStringArrayList collection is myStringArrayList.stream().count().

Assuming That the Variable MyStringArrayList Has Been Populated to Contain