22.20 Stacks
Stacks
Overview
A Stack is a LIFO (Last In, First Out) data structure where elements are added and removed from the top.
Topics
- Push and Pop Operations
- Stack Implementation Using Java's Stack Class
Examples
import java.util.Stack;
Stack<Integer> stack = new Stack<>();
stack.push(1);
stack.push(2);
stack.push(3);
System.out.println("Popped: " + stack.pop());
System.out.println("Top: " + stack.peek());