Q. To map a stream of strings to their uppercase form, which method reference is used?

  • (A) String::toLowerCase
  • (B) String::toUpperCase
  • (C) String::trim
  • (D) String::substring
💬 Discuss
✅ Correct Answer: (B) String::toUpperCase
Explanation: `String::toUpperCase` maps strings to uppercase.

Published by Mr. Dubey ⭐ 111.42K Points at 22-Jul-2025 06:39 am in JAVA

Explanation by: Mr. Dubey
`String::toUpperCase` maps strings to uppercase.

💬 Discussion

📊 Question Analytics

👁️
60
Total Visits
📽️
1 y ago
Published
🎖️
Mr. Dubey
Publisher
📈
91%
Success Rate