[Solved] Identify the error in the following Kotlin code that uses a function as a parameter:fun applyOperation(x: Int, y: Int, operation: (Int, Int) -> Int):... | Kotlin

Kotlin - Functions

Identify the error in the following Kotlin code that uses a function as a parameter:

fun applyOperation(x: Int, y: Int, operation: (Int, Int) -> Int): Int {
    return operation(x, y)
}

fun main() {
    val result = applyOperation(4, 2) { a, b -> a * b
    println(result)
}

AIncorrect function parameter types.

BMissing closing brace '}' for the lambda expression.

CapplyOperation should return Unit, not Int.

DLambda parameters must be declared outside the function call.

Step-by-Step Solution

Solution:

Step 1: Check lambda syntax in main()
The lambda passed to applyOperation lacks a closing brace '}', causing a syntax error.
Step 2: Verify other parts
Parameter types and return types are correct; lambda parameters inside call are valid.
Final Answer:
Missing closing brace '}' for the lambda expression. -> Option B
Quick Check:
Unclosed lambda = syntax error [OK]

Quick Trick: Count opening and closing braces in lambdas [OK]

Common Mistakes:

MISTAKES

Assuming parameter types are wrong
Thinking return type must be Unit
Believing lambda parameters can't be inline

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More Kotlin Quizzes

Identify the error in the following Kotlin code that uses a function as a parameter:

Step 1: Check lambda syntax in main()

Step 2: Verify other parts

Final Answer:

Quick Check:

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