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Why does Ruby treat strings in single quotes differently from double quotes?

hard📝 Conceptual Q10 of 15
Ruby - Variables and Data Types
Why does Ruby treat strings in single quotes differently from double quotes?
ASingle quotes are faster because they do not process escape sequences or interpolation
BDouble quotes are faster because they process escape sequences and interpolation
CSingle quotes allow interpolation but no escape sequences
DDouble quotes treat strings literally without processing
Step-by-Step Solution
Solution:

  1. Step 1: Understand Ruby string processing

    Single-quoted strings are simpler and do not process interpolation or most escape sequences, making them faster.

  2. Step 2: Compare with double-quoted strings

    Double-quoted strings process interpolation and escape sequences, which adds overhead.

  3. Final Answer:

    Single quotes are faster because they do not process escape sequences or interpolation -> Option A

  4. Quick Check:

    Single quotes = faster, no interpolation [OK]
Quick Trick: Single quotes are simpler and faster, no interpolation [OK]
Common Mistakes:
  • Thinking double quotes are faster
  • Confusing which quotes allow interpolation
  • Assuming both behave the same

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