Which of the following is the correct syntax to use the Elvis operator in Kotlin?

easy📝 Syntax Q12 of 15

Kotlin - Null Safety

Aval result = value ??: defaultValue

Bval result = value ? defaultValue

Cval result = value ?: defaultValue

Dval result = value ?:? defaultValue

Step-by-Step Solution

Solution:

Step 1: Recall the correct Elvis operator syntax
The Elvis operator is written as ?: without any extra characters or spaces.
Step 2: Match the syntax with options
val result = value ?: defaultValue uses ?: correctly between the variable and the default value.
Final Answer:
val result = value ?: defaultValue -> Option C
Quick Check:
Correct Elvis syntax = value ?: defaultValue [OK]

Quick Trick: Elvis operator is ?: exactly, no extra symbols [OK]

Common Mistakes:

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