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Question 46Asked in BPSC TRE 1.0 (2023) Computer Science Class 11-12

Which of the following is not a valid variable name in most programming languages?

  1. AmyVariable
  2. B123Variable
  3. C_myVariable
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (B) 123Variable

Explanation

In most languages, identifiers cannot begin with a digit, so 123Variable is invalid. myVariable and _myVariable are valid.

From BPSC TRE 1.0 (2023) Computer Science Class 11-12 — Previous Year Paper

This is question 46 of BPSC TRE 1.0 (2023) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.