Java
LinkedHashMap and Specialized Maps
Explore LinkedHashMap's insertion/access-order tracking for LRU caches, WeakHashMap for memory-sensitive caching, IdentityHashMap, and EnumMap optimization.
Java
HashMap: Buckets and Collisions
Journey inside HashMap's O(1) average performance: bucket arrays, hash code transformation, collision handling via chaining, and why power-of-2 capacity matters.