[Solved] What is wrong with this Ruby code?text = "example".freeze text[1] = "A" — Ans: Cannot modify a frozen string; raises RuntimeError | Ruby

Ruby - String Operations

What is wrong with this Ruby code?

text = "example".freeze
text[1] = "A"

ARaises TypeError due to incompatible types

BIndex assignment is invalid syntax

CNo error; string is modified successfully

DCannot modify a frozen string; raises RuntimeError

Step-by-Step Solution

Solution:

Step 1: Recognize string freezing
The string text is frozen and cannot be changed.
Step 2: Understand index assignment
Assigning to an index modifies the string in place.
Step 3: Resulting error
Attempting to modify a frozen string raises a RuntimeError.
Final Answer:
Cannot modify a frozen string; raises RuntimeError -> Option D
Quick Check:
Check if text.frozen? is true before modification [OK]

Quick Trick: Index assignment modifies string; frozen strings disallow it [OK]

Common Mistakes:

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