[Solved] What does the operator do when used with strings in Ruby? — Ans: It appends the right string to the left string, modifying the original string. | Ruby

Ruby - String Operations

What does the << operator do when used with strings in Ruby?

AIt appends the right string to the left string, modifying the original string.

BIt creates a new string by adding two strings without changing the originals.

CIt compares two strings for equality.

DIt removes the last character from the string.

Step-by-Step Solution

Solution:

Step 1: Understand the << operator
The << operator appends the right string to the left string and changes the original string.
Step 2: Compare with other string operations
Unlike +, which creates a new string, << modifies the original string in place.
Final Answer:
It appends the right string to the left string, modifying the original string. -> Option A
Quick Check:
String concatenation with << = modifies original string [OK]

Quick Trick: Use << to add without making a new string [OK]

Common Mistakes:

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