Course Overview
Welcome to Mastering Java Collections: HashSet, HashMap, TreeSet, and TreeMap, a course designed to give you a deep understanding of Java’s most powerful and versatile collection classes. Whether you’re new to Java or want to enhance your programming skills, this course provides everything you need to effectively work with sets and maps in Java.
We’ll start by covering the basics of HashSet, HashMap, TreeSet, and TreeMap. You’ll learn how each of these collections works, their use cases, and the differences between them. This will help you choose the right data structure for your specific needs.
Through practical examples, we’ll guide you step-by-step, from simple implementations like creating a HashSet or HashMap, to more advanced scenarios such as combining HashSets, working with TreeMaps, and handling complex data relationships in Java. You’ll also learn techniques like converting HashSets to arrays and building a HashMap alphabet.