[Solved] Consider this Ruby code snippet: str = "hello" str.freeze copy = str.dup puts copy.frozen? What is the output and why? If there is an error, identify and fix it. | Ruby

Ruby - Class Methods and Variables

Consider this Ruby code snippet:

str = "hello"
str.freeze
copy = str.dup
puts copy.frozen?

What is the output and why? If there is an error, identify and fix it.

Atrue

Bfalse

CNoMethodError

DRuntimeError

Step-by-Step Solution

Solution:

Step 1: Understand freezing and dup behavior
The string str is frozen. When dup is called, it copies the object but does NOT copy the frozen state.
Step 2: Check frozen state of copy
Since dup skips frozen state, copy.frozen? returns false.
Final Answer:
false -> Option B
Quick Check:
dup skips frozen state, so frozen? = false [OK]

Quick Trick: dup skips frozen state, clone keeps it [OK]

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