[Solved] You want to store a constant greeting message that should never change in your Ruby program. Which approach is best?GREETING = "Welcome!".freezeWhy is freezing important here? | Ruby

Ruby - String Operations

You want to store a constant greeting message that should never change in your Ruby program. Which approach is best?

GREETING = "Welcome!".freeze

Why is freezing important here?

AIt prevents accidental changes to the greeting, ensuring data integrity.

BIt makes the greeting print faster.

CIt allows the greeting to be changed later if needed.

DIt compresses the string to save memory.

Step-by-Step Solution

Solution:

Step 1: Understand constant usage
Constants like GREETING should not change during program execution to avoid bugs.
Step 2: Role of freeze on constants
Freezing the string ensures it cannot be modified accidentally, protecting the constant's value.
Final Answer:
It prevents accidental changes to the greeting, ensuring data integrity. -> Option A
Quick Check:
Freeze constant for safety = D [OK]

Quick Trick: Freeze constants to keep them safe from changes [OK]

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