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Which method checks if an object is frozen in Ruby?

easy📝 Conceptual Q2 of 15
Ruby - Class Methods and Variables
Which method checks if an object is frozen in Ruby?
Afrozen_check?
Bis_frozen
Cfrozen?
Dfreeze_check
Step-by-Step Solution
Solution:

  1. Step 1: Recall Ruby's method to test frozen state

    Ruby provides the method frozen? to check if an object is frozen.

  2. Step 2: Verify other options are invalid

    Methods like is_frozen, freeze_check, and frozen_check? do not exist in Ruby.

  3. Final Answer:

    frozen? -> Option C

  4. Quick Check:

    Check frozen state method = frozen? [OK]
Quick Trick: Use frozen? to test if object is frozen [OK]
Common Mistakes:
  • Using non-existent method names
  • Confusing freeze (to freeze) with frozen? (to check)

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