JAVA MCQs MCQ: What is the type of `x -> x.toUpperCase()` if x is a String?

What is the type of `x -> x.toUpperCase()` if x is a String?

Correct Answer: Function<String, String>

Make the most of this question

This page focuses on one JAVA MCQs question from Programming. After checking the answer, return to the topic list to practice more or run a timed set.

← More JAVA MCQs MCQs All Programming topics Mock test hub

JAVA MCQs MCQ: What is the type of `x -> x.toUpperCase()` if x is a String? | Extra Education