Q. Which of the following is a valid Java identifier?

  • (A) 123abc
  • (B) _abc123
  • (C) abc-123
  • (D) 123-abc
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✅ Correct Answer: (B) _abc123
Explanation: Java identifiers can start with a letter, underscore or dollar sign.

Published by Deepak Sahoo ⭐ 11.23K Points at 03-May-2023 02:31 pm in JAVA

Explanation by: Deepak Sahoo
Java identifiers can start with a letter, underscore or dollar sign.

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