Stacks

Question 1

What is a stack?

Answer 1

A data structure where values are added to the top and removed from the top

Question 2

What type of data structure is a stack?

Answer 2

Last in First Out (LIFO)

Question 3

What error can occur when pushing an item onto the stack?

Answer 3

The stack could be full and stack overflow occurs

Question 4

What is the difference between pop and peek?

Answer 4

Pop removes an item of the stack and returns it

Peek only looks at the top item