Chapter 41

Question 1

What are 3 components of STL

Answer 1

• Container
• Iterator
• Algorithm

Question 2

What are containers

Answer 2

Container is an object that contains a collection of data elements

Question 3

What are 3 kinds of containers

Answer 3

STL provides 3 kind of containers

• Sequence containers
• Associative containers
• Adapters containers

Question 4

What is sequence container

Answer 4

A sequence container organizes a finite set of objects, all of same type, into a strictly linear arrangements.

Question 5

What are examples of sequence container

Answer 5

• vector
• deque
• list

Question 6

What is associative container

Answer 6

As associative container provides fast retrieval of data based on keys

Question 7

What are examples of associative container

Answer 7

• map
• multimap
• set
• multiset

Question 8

What about first-class container

Answer 8

Sequence and associative containers collectively called first-class container

Question 9

What are adapters containers

Answer 9

Adapter container is constrained version of first-class containers

Question 10

What are examples of adapter container

Answer 10

• stack
• queue
• priority_queue

Question 11

Is stack LIFO

Answer 11

Yes

Question 12

Is queue FIFO

Answer 12

Yes

Question 13

What is copy constructor

Answer 13

The copy constructor is a constructor which creates an object by initializing it with an object of the same class, which has been created previously