Q. Which lambda expression will reverse a given string 's'?

  • (A) s -> new StringBuilder(s).reverse().toString()
  • (B) s -> s.reverse()
  • (C) s -> s.revert()
  • (D) s => reverse(s)
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✅ Correct Answer: (A) s -> new StringBuilder(s).reverse().toString()
Explanation: StringBuilder can reverse a string, and this is the correct approach in Java.

Published by Mr. Dubey ⭐ 111.42K Points at 21-Jul-2025 06:37 am in JAVA

Explanation by: Mr. Dubey
StringBuilder can reverse a string, and this is the correct approach in Java.

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