A

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

  • (A) 123abc
  • (B) _abc123
  • (C) abc-123
  • (D) 123-abc
  • Correct Answer - Option(B)
  • Views: 16
  • Filed under category Java
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Explanation by: Admin
Java identifiers can start with a letter, underscore or dollar sign.

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