What are the differences between collections and arrays in C#?
Arrays are fixed in size and type, while collections are dynamic and can hold different types.
Can you give me examples of collections in C#?
Sure! Common collections include List<T>, Dictionary<TKey, TValue>, and HashSet<T>.
When should I use collections instead of arrays?
Use collections when you need dynamic sizing or more complex data manipulation features.
Are there performance differences between them?
Yes, arrays are generally faster for indexed access, while collections offer more flexibility.
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