Kotlin - Variables and Type System
Which of the following is the correct way to declare a mutable integer variable named
count with initial value 10 in Kotlin?Which of the following is the correct way to declare a mutable integer variable named count with initial value 10 in Kotlin?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify mutable variable declaration
To declare a mutable variable, usevarwith an initial value.Step 2: Check syntax correctness
var count = 10correctly declares a mutable integer variable with initial value 10.Final Answer:
var count = 10 -> Option DQuick Check:
Mutable variable needsvarand initial value [OK]
Quick Trick: Use var with initial value for mutable variables [OK]
Common Mistakes:
MISTAKES- Using val instead of var for mutable variables
- Declaring var without initial value or type
- Confusing val and var syntax
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