Java
Copy-on-Write Collections
Understand copy-on-write semantics for read-heavy concurrent scenarios, snapshot iterators preventing ConcurrentModificationException, and event listener patterns.
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
Copy-on-Write Collections
Visual guide to Copy-on-Write: safe iteration during modification. See how copies are made on write operations.
Algorithms
BlockingQueue
Visual guide to BlockingQueue: producer-consumer pattern. Watch threads block and unblock on queue operations.
Algorithms
ConcurrentHashMap
Visual guide to ConcurrentHashMap: segment-based locking for thread-safe operations. See concurrent access patterns.