Question

Which of the following interfaces represents a function that accepts an int-valued argument and produces a result of the specified type in Java 8?

a) IntPredicate

b) IntFunction

c) IntConsumer

d) IntSupplier

Answer 1

Answer: b) IntFunction.

Explanation: The IntFunction interface represents a function that accepts an int-valued argument and produces a result of the specified type, and has a single abstract method apply() that takes an int value as input and returns a result of the specified type.