What are the collections namespace?

What are the common Generics Lists?

How to add an element in a Dictionary?

Can keys be duplicated? If not what is the exception expected when it happens?

How to search an item on a Dictionary?

How to check if an item is on a list?

What is the default capacity of the common collections?

What is the implementation of a Dictionary and performance of data retrieval?

What is the difference between Hashtable and Dictionary?

What is a LinkedList?

What are the interfaces required for a custom collection and why?

What is the item's data structure of a dictionary?

When use the ListDictionary?

When use the HybridDictionary?

What is the namespace of the simple Array object []?