[Solved] What is the main purpose of the GroupBy method in C#? - Ans: To organize elements into groups based on a key | C Sharp (C#)

C Sharp (C#) - LINQ Fundamentals

What is the main purpose of the GroupBy method in C#?

ATo remove duplicate elements from a collection

BTo sort elements in ascending order

CTo filter elements based on a condition

DTo organize elements into groups based on a key

Step-by-Step Solution

Solution:

Step 1: Understand the role of GroupBy
The GroupBy method groups elements of a collection based on a key selector function.
Step 2: Compare with other operations
Sorting arranges elements, filtering selects elements, and removing duplicates eliminates repeats, but grouping organizes elements into groups.
Final Answer:
To organize elements into groups based on a key -> Option D
Quick Check:
GroupBy purpose = Organize into groups [OK]

Quick Trick: GroupBy groups items by keys, not sorting or filtering [OK]

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What is the main purpose of the GroupBy method in C#?