[Solved] Identify the error in this Kotlin code:val age = 30 println("Age is $age years old") — Ans: No error, code is correct | Kotlin

Kotlin - Variables and Type System

Identify the error in this Kotlin code:

val age = 30
println("Age is $age years old")

AMissing plus operator for concatenation

BIncorrect use of $ for variable

CMissing curly braces around age

DNo error, code is correct

Step-by-Step Solution

Solution:

Step 1: Check variable interpolation syntax
Using $age inside a string is correct for simple variables without needing curly braces.
Step 2: Verify string concatenation
String templates handle concatenation automatically, so no plus operator is needed.
Final Answer:
No error, code is correct -> Option D
Quick Check:
Simple variables can use $variable without braces [OK]

Quick Trick: Use $variable for simple variables, ${} for expressions [OK]

Common Mistakes:

MISTAKES

Master "Variables and Type System" in Kotlin

9 interactive learning modes - each teaches the same concept differently

More Kotlin Quizzes

Identify the error in this Kotlin code: