Given a list of Any elements, how can you create a new list containing only the String elements using Kotlin?

hard📝 Application Q8 of 15

Kotlin - Data Types

Given a list of Any elements, how can you create a new list containing only the String elements using Kotlin?

Aval strings = list.filter { it is Any }

Bval strings = list.filterIsInstance<String>()

Cval strings = list.map { it.toString() }

Dval strings = list.filter { it != null }

Step-by-Step Solution

Solution:

Step 1: Understand filtering by type
Kotlin provides filterIsInstance<T>() to filter elements of a specific type.
Step 2: Apply filterIsInstance for String
Using filterIsInstance() returns a list with only String elements.
Final Answer:
val strings = list.filterIsInstance<String>() -> Option B
Quick Check:
filterIsInstance filters by type correctly [OK]

Quick Trick: Use filterIsInstance() to get elements of type T [OK]

Common Mistakes:

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