[Solved] What is a key advantage of using hashes in Ruby compared to arrays? — Ans: Hashes allow accessing elements by descriptive keys | Ruby

Ruby - Hashes

What is a key advantage of using hashes in Ruby compared to arrays?

AHashes maintain order of elements by default

BHashes cannot store multiple data types

CHashes use numeric indexes only

DHashes allow accessing elements by descriptive keys

Step-by-Step Solution

Solution:

Step 1: Identify how hashes access data
Hashes use keys, often descriptive symbols or strings, to access values directly.
Step 2: Contrast with arrays
Arrays use numeric indexes, which are less descriptive and can be harder to manage for related data.
Final Answer:
Hashes allow accessing elements by descriptive keys -> Option D
Quick Check:
Hashes use keys for access = D [OK]

Quick Trick: Hashes use keys, arrays use numeric indexes [OK]

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What is a key advantage of using hashes in Ruby compared to arrays?