Kotlin - Data Types
Which of the following is the correct way to declare a Double variable with value 2.71828 in Kotlin?
Which of the following is the correct way to declare a Double variable with value 2.71828 in Kotlin?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Kotlin suffixes for number types
Float literals use 'f', Long literals use 'L', Double literals have no suffix.Step 2: Choose the correct syntax for Double
Assigning 2.71828 without suffix to a Double variable is correct.Final Answer:
val e: Double = 2.71828 -> Option BQuick Check:
Double literal = no suffix [OK]
Quick Trick: Double literals have no suffix; Float uses 'f', Long uses 'L' [OK]
Common Mistakes:
MISTAKES- Adding 'f' suffix to Double
- Using 'L' suffix for decimals
- Assigning integer without decimal to Double
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