Ruby - Variables and Data Types
What will be the output of this Ruby code?
sym1 = :cat
sym2 = :cat
puts sym1.object_id == sym2.object_idWhat will be the output of this Ruby code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand symbol object IDs
Symbols with the same name share the same object ID because they are unique and immutable.Step 2: Compare object IDs
sym1 and sym2 both refer to :cat, so their object IDs are equal, outputting true.Final Answer:
true -> Option BQuick Check:
Symbol object_id equality = A [OK]
Quick Trick: Same symbol names share the same object ID [OK]
Common Mistakes:
- Assuming different symbols have different object IDs
- Confusing symbols with strings
- Expecting false for identical symbols
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