Spark Academy — Learn Today. Build Tomorrow.

01

In which Java version was the Stream API introduced?

Java 7Java 8Java 9Java 11

02

Which package contains the Stream API classes?

java.iojava.util.streamjava.utiljava.net

03

Which of the following is an intermediate operation?

forEach()collect()map()reduce()

04

Which of the following is a terminal operation?

filter()map()sorted()collect()

05

Does a stream modify the original collection?

YesNoOnly for ListsOnly if terminal operation is used

06

Which method transforms elements in a stream?

filter()map()reduce()collect()

07

Which method selects elements based on a condition?

filter()map()select()where()

08

Can a stream be reused after a terminal operation?

YesNoOnly if it is parallelOnly if it is sequential

09

Which operation processes stream elements in parallel?

parallelStream()stream()concurrentStream()multiStream()

10

What interface represents an operation that takes two arguments and returns one result?

PredicateConsumerSupplierBinaryOperator