[Solved] Identify the error in this Ruby code snippet: text = "hello world" text.sub('world') — Ans: Missing replacement argument for sub method | Ruby

Ruby - String Operations

Identify the error in this Ruby code snippet:

text = "hello world"
text.sub('world')

AMissing replacement argument for sub method

BIncorrect method name, should be gsub

CString variable not defined

DNo error, code is correct

Step-by-Step Solution

Solution:

Step 1: Check sub method arguments
sub requires two arguments: pattern and replacement string.
Step 2: Identify missing argument
The code only provides the pattern 'world', missing the replacement argument.
Final Answer:
Missing replacement argument for sub method -> Option A
Quick Check:
sub needs two arguments = B [OK]

Quick Trick: Always provide pattern and replacement to sub [OK]

Common Mistakes:

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