Java
ConcurrentHashMap Internals
Evolution from Java 7 segment-based locking to Java 8+ CAS operations, lock-free reads, atomic compound operations, and comparison with synchronized alternatives.
Algorithms
Immutable Collections
Visual guide to Immutable Collections: thread-safe by design. See why immutability simplifies concurrent code.
Algorithms
Copy-on-Write Collections
Visual guide to Copy-on-Write: safe iteration during modification. See how copies are made on write operations.
Algorithms
ConcurrentHashMap
Visual guide to ConcurrentHashMap: segment-based locking for thread-safe operations. See concurrent access patterns.