[Solved] What is wrong with this Kotlin function declaration?fun display(vararg names: String, age: Int) { // body } | Kotlin

Kotlin - Functions

What is wrong with this Kotlin function declaration?

fun display(vararg names: String, age: Int) {
    // body
}

AThe <code>vararg</code> parameter must be the last parameter.

BYou cannot have more than one parameter in a function.

CThe <code>age</code> parameter must be declared as <code>vararg</code> too.

DThe function must return a value.

Step-by-Step Solution

Solution:

Step 1: Recall vararg rules
In Kotlin, only one vararg parameter is allowed and it must be the last parameter.
Step 2: Identify error
Here, vararg names is followed by age, which is invalid.
Final Answer:
The vararg parameter must be the last parameter. -> Option A
Quick Check:
Vararg must be last parameter [OK]

Quick Trick: Vararg parameter must be last [OK]

Common Mistakes:

MISTAKES

Master "Functions" in Kotlin

9 interactive learning modes - each teaches the same concept differently

More Kotlin Quizzes

What is wrong with this Kotlin function declaration?