ArrayList Implementation in Java: Build It From Scratch (Part I)
Welcome to our “ArrayList Implementation in Java” series!
In this kick-off episode, we’ll lay the foundation for building your own custom ArrayList from scratch. We’ll cover everything from designing the interface and class structure to writing the constructor and demystifying how dynamic resizing works under the hood.
00:00 Introduction
00:27 Designing the interface
02:40 Building the class structure
05:33 How resizing works
06:52 Implementing the add() method
This video is perfect for anyone looking to deeply understand data structures, level up Java skills, or get ready for technical interviews. If you enjoy this series, make sure to like and subscribe—and don’t forget to watch Parts II and III for the complete ArrayList implementation!
Got questions? Drop them in the comments below and let’s build great code together!
#Java #ArrayList #DataStructures #CapriTech