Kotlin - Data Types
Which of the following is a valid way to write the number one million in Kotlin using underscores for readability?
Which of the following is a valid way to write the number one million in Kotlin using underscores for readability?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand underscore usage in Kotlin numbers
Kotlin allows underscores between digits to improve readability, but they must not be consecutive, leading, or trailing.Step 2: Check each option for correct underscore placement
1_000_000uses single underscores separating groups of three digits correctly. A has consecutive underscores (invalid). B has trailing underscore (invalid). C has consecutive underscores (invalid).Final Answer:
1_000_000 -> Option DQuick Check:
Underscores separate digits properly = 1_000_000 [OK]
Quick Trick: Use single underscores between digit groups only [OK]
Common Mistakes:
MISTAKES- Using double underscores
- Placing underscores at start or end
- Trailing underscores
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