[Solved] What will be the output of the following C# code?var fruits = new HashSet<string>(); fruits.Add("orange"); fruits.Add("grape"); fruits.Add("orange"); Console.WriteLine(fruits.Count); | C Sharp (C#)

C Sharp (C#) - Collections

What will be the output of the following C# code?

var fruits = new HashSet<string>();
fruits.Add("orange");
fruits.Add("grape");
fruits.Add("orange");
Console.WriteLine(fruits.Count);

A3

B2

C1

D0

Step-by-Step Solution

Solution:

Step 1: Add "orange" to the HashSet
The set now contains {"orange"}.
Step 2: Add "grape" to the HashSet
The set now contains {"orange", "grape"}.
Step 3: Attempt to add "orange" again
Since "orange" is already in the set, it will not be added again.
Final Answer:
2 -> Option B
Quick Check:
HashSet stores unique elements only. [OK]

Quick Trick: HashSet ignores duplicates, count unique items only [OK]

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