Write program to implement stack with POP and PUSH operations?

1. What is stack explain push and pop operations using array?
2. How stack is implemented?
3. What are the operations can implement on stack?
4. How would you implement an array using stack?
5. What approaches are generally used for implementing a stack data structure?
6. How is stack implemented in Java?
7. What is stack write functions to implement stack using linked list?

What is stack explain push and pop operations using array?

Push(a): It adds element a on top of the stack. It takes O ( 1 ) O(1) O(1) time as each element is inserted starting from the table of the array; there is no need to shift existing elements to make room for the new element. Pop(): It removes the element on top of the stack.

How stack is implemented?

A stack can be implemented by means of Array, Structure, Pointer, and Linked List. Stack can either be a fixed size one or it may have a sense of dynamic resizing. Here, we are going to implement stack using arrays, which makes it a fixed size stack implementation.

What are the operations can implement on stack?

So a stack supports two basic operations: push and pop. Some stacks also provide additional operations: size (the number of data elements currently on the stack) and peek (look at the top element without removing it). The primary stack operations. A new data element is stored by pushing it on the top of the stack.

How would you implement an array using stack?

Stack 1 Contains the details Stack 2 is empty. To go through the array, Pop Stack 1 , when you want the next one, push the previous one into stack 2 and pop stack 1 again. Repeat until 'isempty'. If you want the Nth value, pop the not empty stack N times while pushing the unneeded ones into the other stack.

What approaches are generally used for implementing a stack data structure?

Stack is a fundamental data structure which is used to store elements in a linear fashion. Stack follows LIFO (last in, first out) order or approach in which the operations are performed. This means that the element which was added last to the stack will be the first element to be removed from the stack.

How is stack implemented in Java?

push inserts an item at the top of the stack (i.e., above its current top element). ... pop removes the object at the top of the stack and returns that object from the function. The stack size will be decremented by one.

What is stack write functions to implement stack using linked list?

In linked list implementation of stack, the nodes are maintained non-contiguously in the memory. Each node contains a pointer to its immediate successor node in the stack. Stack is said to be overflown if the space left in the memory heap is not enough to create a node.