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What does the vararg keyword do in Kotlin functions?

easy📝 Conceptual Q11 of 15
Kotlin - Functions

What does the vararg keyword do in Kotlin functions?

AAllows passing a variable number of arguments to a function
BDeclares a function that returns multiple values
CDefines a function with no parameters
DSpecifies a function that accepts only one argument
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of vararg

    The vararg keyword lets a function accept zero or more arguments of the same type without needing an array or list explicitly.

  2. Step 2: Compare options with this meaning

    Only Allows passing a variable number of arguments to a function correctly describes this behavior, while others describe unrelated function features.

  3. Final Answer:

    Allows passing a variable number of arguments to a function -> Option A

  4. Quick Check:

    Vararg = variable arguments [OK]
Quick Trick: Vararg means many arguments, not just one [OK]
Common Mistakes:
MISTAKES
  • Thinking vararg returns multiple values
  • Confusing vararg with no parameters
  • Assuming vararg limits to one argument

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