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Which of the following is a valid Ruby method name?

easy📝 Syntax Q3 of 15
Ruby - Methods
Which of the following is a valid Ruby method name?
Avalid_method?
Binvalid-method!
C123method?
Dmethod name!
Step-by-Step Solution
Solution:
  1. Step 1: Check Ruby method name rules

    Method names can include letters, digits (not at start), underscores, and end with ? or ! but cannot contain hyphens or spaces.
  2. Step 2: Validate each option

    valid_method? is valid; invalid-method! has hyphen; 123method? starts with digits; method name! has space.
  3. Final Answer:

    valid_method? -> Option A
  4. Quick Check:

    Method names: letters, digits (not start), _ allowed [OK]
Quick Trick: Method names can't start with digits or contain spaces [OK]
Common Mistakes:
  • Using hyphens in method names
  • Starting method names with digits
  • Including spaces in method names

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