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How can you safely duplicate a frozen string to modify the copy without affecting the original?

hard📝 Application Q9 of 15
Ruby - String Operations
How can you safely duplicate a frozen string to modify the copy without affecting the original?
AUse <code>dup</code> method to create a mutable copy.
BAssign the frozen string to a new variable directly.
CUse <code>freeze</code> again on the original string.
DConvert the string to a symbol.
Step-by-Step Solution
Solution:
  1. Step 1: Understand duplication of frozen strings

    Direct assignment copies the reference, so both variables point to the same frozen string.
  2. Step 2: Use dup to create a mutable copy

    The dup method creates a new string object that is not frozen and can be modified.
  3. Final Answer:

    Use dup method to create a mutable copy. -> Option A
  4. Quick Check:

    dup creates mutable copy of frozen string [OK]
Quick Trick: Use dup to copy frozen strings for editing [OK]
Common Mistakes:
MISTAKES
  • Thinking assignment copies string content
  • Trying to freeze again to unfreeze
  • Confusing symbols with strings

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