Explore new Collections APIs introduced in Java 9 through this comprehensive conference talk. Dive into the benefits of improved convenience, immutability, and space efficiency offered by the new collection implementations. Learn about the small API footprint, making these collections easy to adopt and use. Discover how they integrate seamlessly with existing code using the collections framework. Examine topics such as collection literals, map of entries, overload resolution, nulls, immutability, thread safety, and duplicate rejection. Gain insights into implementation issues, design considerations, and performance improvements. Understand the impact on code simplicity, cleanliness, and memory consumption for common use cases. Engage with questions and comments to deepen your understanding of these powerful new Java 9 features.