[Solved] What happens if you try to assign null to a variable declared as var name: String in Kotlin? — Ans: It causes a compile-time error because the variable is not nullable. | Kotlin

Kotlin - Null Safety

What happens if you try to assign null to a variable declared as var name: String in Kotlin?

AIt causes a compile-time error because the variable is not nullable.

BThe variable will hold the null value without error.

CIt throws a runtime exception when accessed.

DThe variable automatically becomes nullable.

Step-by-Step Solution

Solution:

Step 1: Understand Kotlin's null safety
Kotlin does not allow assigning null to non-nullable types to prevent errors.
Step 2: Check variable declaration
The variable name is declared as String without ?, so it cannot hold null.
Final Answer:
It causes a compile-time error because the variable is not nullable. -> Option A
Quick Check:
Nullable assignment to non-nullable = Compile-time error [OK]

Quick Trick: Non-null types cannot hold null values in Kotlin [OK]

Common Mistakes:

MISTAKES

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What happens if you try to assign null to a variable declared as var name: String in Kotlin?