C# - Collection Classes - Practice Questions

Question 1

Which of the following is NOT an interface declared in System.Collections namespace?

Accepted Answer

Question 2

Which C# collection allows dynamic resizing and stores elements as objects

Accepted Answer

Question 3

Which generic collection is type-safe

Accepted Answer

Question 4

Which method removes the top element of a Stack

Accepted Answer

Question 5

Which class represents a collection of objects sorted by key

Accepted Answer

Question 6

In a HashTable Key cannot be null, but Value can be.

Accepted Answer

Question 7

Which namespace contains most of the generic collection classes in C#

Accepted Answer

Question 8

Which method adds an element to a Queue

Accepted Answer

Question 9

Which method removes all elements from a collection

Accepted Answer

Question 10

Which collection allows duplicate values but unique keys

Accepted Answer