Do It Yourself: Collections - Extending Map Data Structures

Explore the intricacies of extending and creating new data structures in Java through a hands-on, TDD-based demonstration. Learn how to extend the Map data structure to create a bag (MultiSet) and a multimap (MultiValuedMap) using only JDK data structures. Discover the thought process behind developing new collections, adding essential APIs, and implementing safeguards for user-friendly implementations. Gain insights into the fundamental aspects of collection design, including new API additions and the various controls required for safe and effective usage. Follow along with this 57-minute, slide-free presentation that showcases the practical application of collection extension techniques, equipping you with the knowledge to create robust and functional custom data structures in Java.