Java
List Utilities and Operations
Master the Collections utility class: sorting algorithms, binarySearch semantics, shuffle, and the difference between unmodifiable views and true immutability.
Java
LinkedList Deep Dive
Analyze LinkedList's doubly-linked structure, ~40 bytes per node overhead, O(n) random access limitations, and when LinkedList actually outperforms ArrayList.
Java
ArrayList Deep Dive
Deep dive into ArrayList internals: dynamic array backing, 1.5x growth strategy, capacity management, O(1) random access, and production patterns for pre-sizing.