In Java, both arrays and ArrayLists are used to store collections of elements, but they differ drastically in how they manage memory, size, and flexibility. An array is a fixed-size data structure.

Build your Java skills from the ground up by working on simple tasks and beginner-friendly projects. Challenge yourself with more complex Java problems, including those focused on multithreading and ...

Practice smart by starting with easier problems to build confidence, recognizing common coding patterns, and managing your time well during tests. Focus on making your code run fast and fixing it when ...

This repository contains my curated solutions to LeetCode problems implemented in Java as part of my Data Structures & Algorithms preparation for technical interviews. The goal of this repo is not ...