Question

What are different operations available in stack data structure?

Answer 1

Some of the main operations provided in the stack data structure are: 

• push: This adds an item to the top of the stack. The overflow condition occurs if the stack is full.
• pop: This removes the top item of the stack. Underflow condition occurs if the stack is empty.
• top: This returns the top item from the stack.
• isEmpty: This returns true if the stack is empty else false.
• size:  This returns the size of the stack.