How can you check if a character ch is an uppercase English letter using ranges in Kotlin?

hard📝 Application Q9 of 15

Kotlin - Operators and Expressions

How can you check if a character ch is an uppercase English letter using ranges in Kotlin?

Ach in "A".."Z"

Bch in 'a'..'z'

Cch in 'A'..'Z'

Dch in 'Z'..'A'

Step-by-Step Solution

Solution:

Step 1: Understand character ranges
Characters can be compared using ranges like 'A'..'Z' for uppercase letters.
Step 2: Check options
ch in 'A'..'Z' correctly checks if ch is between 'A' and 'Z'.
Final Answer:
ch in 'A'..'Z' -> Option C
Quick Check:
Character ranges use single quotes and '..' [OK]

Quick Trick: Use 'A'..'Z' to check uppercase letters [OK]

Common Mistakes:

MISTAKES

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