Kotlin - Functions
What is the output of this Kotlin code?
val greet: (String) -> String = { name -> "Hello, $name!" }
println(greet("Anna"))What is the output of this Kotlin code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the lambda function
The lambda takes a String and returns "Hello, $name!" with the argument inserted.Step 2: Evaluate the println statement
Calling greet("Anna") returns "Hello, Anna!" which is printed.Final Answer:
Hello, Anna! -> Option BQuick Check:
Lambda call output = Hello, Anna! [OK]
Quick Trick: String templates insert variable values with $ [OK]
Common Mistakes:
MISTAKES- Printing the variable name instead of its value
- Forgetting to call the function with parentheses
- Confusing the lambda parameter with a literal string
Master "Functions" in Kotlin
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