Answer
First: An array has a fixed size.
Second: A List can grow or shrink dynamically.
Arrays are faster for fixed collections, Lists are flexible and easier to use.
Quick Answer
Arrays are fixed-size — defined upfront, never changes. Lists are dynamic — grow and shrink as needed. Arrays are slightly faster for indexed access. Lists give you Add(), Remove(), Contains() and more. Use List by default unless size is fixed and performance is critical.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ