Explore the hidden depths and surprising features of Java's Collections Framework in this 51-minute Devoxx conference talk by Stuart Marks. Dive beyond basic ArrayList and HashMap operations to uncover little-known APIs that offer powerful functionality but can also lead to unexpected behavior. Learn about view collections, extended map views, iteration order intricacies, and set membership nuances. Gain insights from Marks, a Java Platform Group expert at Oracle, as he shares his extensive experience working on core libraries projects. Enhance your understanding of Collections to write more efficient and bug-free code.