Kotlin - Operators and Expressions
Which of the following Kotlin expressions correctly checks if two variables refer to the exact same object?
Which of the following Kotlin expressions correctly checks if two variables refer to the exact same object?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the operator for referential equality
In Kotlin,===checks if two variables point to the exact same object in memory.Step 2: Confirm other options
==and.equals()check structural equality, and!=checks inequality, so they don't check referential equality.Final Answer:
a === b-> Option AQuick Check:
===means referential equality [OK]
Quick Trick: Use === to check if two variables are the same object [OK]
Common Mistakes:
MISTAKES- Using == instead of === for object identity
- Confusing .equals() with ===
- Assuming != checks referential equality
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