The intermediate Stream operation ________ results in a stream containing only the unique elements.

		distinct
		map
		filter
		limit

1 points

QUESTION 34

________ is a method reference for an instance method of a class. It creates a one-parameter lambda that invokes the instance method on the lambdas argument and returns the methods result.

		Math::sqrt
		System.out::println
		TreeMap::new
		String::toUpperCase

1 points

QUESTION 35

________ is a constructor reference. It creates a lambda that invokes the no-argument constructor of the specified class to create and initialize a new object of that class.

		Math::sqrt
		System.out::println
		TreeMap::new
		String::toUpperCase

1 points

QUESTION 36

You can define your own reductions for an IntStream by calling its ________ method. The first argument is a value that helps you begin the reduction operation and the second argument is an object that implements the IntBinaryOperator functional interface.

		reduction.
		lessen
		trim
		reduce

1 points

QUESTION 37

You can declare that an interface is a functional interface by preceding it with the @FunctionalInterface annotation. The compiler will then ensure that the interface contains ________; otherwise, itll generate a compilation error.

		no abstract methods
		all abstract methods
		only one abstract method
		one or more abstract methods.

1 points

QUESTION 38

The basic generic functional interface ________ in package java.util.function contains method get that takes no arguments and returns a value of type T.

		UnaryOperator
		Function
		Supplier
		BinaryOperator

1 points

QUESTION 39

Intermediate Stream operation ________ results in a stream with the specified number of elements from the beginning of the original stream.

		distinct
		map
		filter
		limit

1 points

QUESTION 40

IntStream method ________performs the count, min, max, sum and average operations in one pass of an IntStreams elements and returns the results as an IntSummaryStatistics object (package java.util).

		allStatistics.
		completeStatistics.
		entireStatistics.
		summaryStatistics