Beginner Kotlin

Q19 / 100

What is an extension function in Kotlin?

Correct! Well done.

Incorrect.

The correct answer is B) A function that adds new functionality to an existing class without modifying its source code

B

Correct Answer

A function that adds new functionality to an existing class without modifying its source code

Explanation

fun String.shout() = uppercase() + "!" adds a shout() method to String without subclassing or modifying String.

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