[Solved] Identify the error in this Ruby code:str = "code" str[5] = 'r' puts str — Ans: Index 5 is out of bounds for the string | Ruby

Ruby - String Operations

Identify the error in this Ruby code:

str = "code"
str[5] = 'r'
puts str

AIndex 5 is out of bounds for the string

BStrings cannot be modified using index assignment

CThe character 'r' is invalid in strings

DThe string must be frozen before modification

Step-by-Step Solution

Solution:

Step 1: Check string length
The string "code" has length 4, with indices 0 to 3.
Step 2: Analyze index used
Index 5 is beyond the string's length, causing an error when assigning.
Step 3: Confirm error cause
Assigning to an out-of-bounds index raises an IndexError.
Final Answer:
Index 5 is out of bounds for the string -> Option A
Quick Check:
Index must be within string length [OK]

Quick Trick: Index must be valid within string length [OK]

Common Mistakes:

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