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Jul 25, 2018 · Fundamentals

How SkipList Powers Java’s ConcurrentSkipListMap – A Deep Dive

This article explains the SkipList data structure, its characteristics and operations, and shows how Java’s ConcurrentSkipListMap implements a thread‑safe map using SkipList nodes, index layers, random level generation, and lock‑free algorithms for put, get, remove and size operations.