Welcome to my Data Structures and Algorithms journey! This repository contains my Java implementations of various DSA concepts, starting from the basics to advanced topics.

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...

Social engineering attacks, especially phishing, often lead to email account breaches that can result in financial fraud or exposure of sensitive data. Good data hygiene—like updating passwords, ...

Angie, Eddie and Mia are best friends who live on Stickie Street. Their lovable dog, Ruffles, is always nearby wanting to join in! They love learning, playing and solving problems together, and having ...

Abstract: Pixel-value-ordering (PVO) is one of the most popular methods in reversible data hiding (RDH). In PVO based methods, pixels are processed in a block-wise way, so that the local similarities ...