Why does Kotlin make types non-nullable by default?

hard📝 Conceptual Q10 of 15

Kotlin - Null Safety

ATo prevent null pointer exceptions at runtime

BTo allow variables to hold null without errors

CTo make all variables immutable

DTo require explicit type casting

Step-by-Step Solution

Solution:

Step 1: Understand Kotlin's null safety goal
Kotlin aims to reduce runtime errors caused by null pointer exceptions.
Step 2: Explain non-nullable default types
By making types non-nullable by default, Kotlin forces developers to handle null explicitly.
Final Answer:
To prevent null pointer exceptions at runtime -> Option A
Quick Check:
Non-nullable default = Prevent null pointer exceptions [OK]

Quick Trick: Non-nullable default avoids null pointer crashes [OK]

Common Mistakes:

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