Apr 26, 2024 · Step by Step Implementation of Stack Data Structure. Define the class for the Stack; We can declare the necessary instance variables such as the size of stack, an array can store the elements and the variable to track the top of element of the stack. Implement the constructor to initialize the stack with the given size.

Apr 15, 2025 · Implement a stack using queues. The stack should support the following operations: Push(x): Push an element onto the stack.Pop(): Pop the element from the top of the stack and return it. A Stack can be implemented using two queues. Let Stack to be implemented be 's' and queues used to implement are

Use toArray() to print the stack values. // Method 1: String values = Arrays.toString(stack.toArray()); System.out.println(values); // Method 2: Object[] vals = stack.toArray(); for (Object obj : vals) { System.out.println(obj); Use the same kind of loop that you used to fill the stack and print individual elements to your liking.

Nov 23, 2015 · do you use java.util.Stack or another implementation? If it's java.util.Stack you're talking about, it has an iterator() method, which you can use to iterate over its elements, for example: System.out.println(iterator.next()); You could also use the .toString() method.

Output. Stack: [Dog, Horse, Cat] Stack after pop: [Dog, Horse] In the above example, we have used the Stack class to implement the stack in Java. Here, animals.push() - insert elements to top of the stack; animals.pop() - remove element from the top of the stack

Mar 9, 2014 · Scanner sc = new Scanner(System.in); System.out.print("Enter numbers: "); int number = sc.nextInt(); Stack<Integer> stack = new Stack<Integer>(); stack.push(number); while (!(stack.isEmpty())) { System.out.println(stack.pop()); Please try to describe the problem and formulate a specific question.

Mar 31, 2023 · This tutorial gives an example of implementing a Stack data structure using an Array. The stack offers to put new objects on the stack (push) and to get objects from the stack (pop). A stack returns the object according to last-in …

In this article, we will discuss how to push and pop any data type to Stack. In this program, we will perform stack operations (push, pop etc.) on input Integer and String data. import java.util.Arrays; public class GenericStackOfArray <T> { private static final int MINIMUM_SIZE = 1024; @SuppressWarnings ("unchecked")

Jan 21, 2024 · Let's dive into a simple program to understand its usage: Stack<String> stack = new Stack<String>(); System.out.println("Is stack empty? " + stack.empty()); stack.push("Hello");...

Returns the element on the top of the stack, removing it in the process. Pushes the element onto the stack. Element is also returned. Searches for element in the stack. If found, its offset from the top of the stack is returned. Otherwise, -1 is returned. A program that demonstrates stack in Java is given as follows −. Live Demo.