Why does the Capacity property of a List sometimes differ from Count?

Solution:Step 1: Define Capacity and CountCapacity is how many elements the list can hold before resizing; Count is how many elements are currently in the list.Step 2: Understand difference behaviorCapacity can be larger than Count to optimize performance; it does not shrink automatically on removal

[Solved] Why does the Capacity property of a List<T> sometimes differ from Count? - Ans: Capacity is the total allocated space; Count is actual elements stored | C Sharp (C#)

C Sharp (C#) - Collections

Why does the Capacity property of a List<T> sometimes differ from Count?

ACapacity is always equal to Count

BCapacity is the total allocated space; Count is actual elements stored

CCount includes null elements; Capacity does not

DCapacity decreases automatically when items are removed

Step-by-Step Solution

Solution:

Step 1: Define Capacity and Count
Capacity is how many elements the list can hold before resizing; Count is how many elements are currently in the list.
Step 2: Understand difference behavior
Capacity can be larger than Count to optimize performance; it does not shrink automatically on removals.
Final Answer:
Capacity is the total allocated space; Count is actual elements stored -> Option B
Quick Check:
Capacity ≠ Count; Capacity ≥ Count [OK]

Quick Trick: Capacity reserves space; Count counts items [OK]

Common Mistakes:

MISTAKES

Assuming Capacity equals Count
Thinking Capacity shrinks automatically
Confusing null elements with capacity

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Why does the Capacity property of a List<T> sometimes differ from Count?

Step 1: Define Capacity and Count

Step 2: Understand difference behavior

Final Answer:

Quick Check:

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