Multiple choice technology programming languages

Which of the following variable names are valid?

  1. 2_tcs

  2. Prog-name

  3. Thismean

  4. d) Say
  5. e) Abc$efg
Reveal answer Fill a bubble to check yourself
C,E Correct answer
Explanation

In REXX, valid variable names must start with a letter or underscore, and can contain letters, digits, underscores, and some special characters like $ and ?. Option C 'Thismean' follows standard naming rules. Option E 'Abc$efg' is valid because $ is permitted in REXX variable names. Option A '2_tcs' is invalid because it starts with a digit. Option B 'Prog-name' contains a hyphen which is not allowed. Option D has formatting issues but appears to be invalid.

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