Java 8 Concurrency Tutorial in three parts by Benjamin a Software Engineer.

• Part 1: Threads and Executors (This part teaches concurrent programming in Java 8 with easily understood code examples)
• Part 2: Synchronization and Locks (This part you learn how to synchronize access to mutable shared variables via the synchronized keyword, locks and semaphores)
• Part 3: Atomic Variables and ConcurrentMap (Atomic Variables and Concurrent Maps. Both have been greatly improved with the introduction of lambda expressions and functional programming in  latest Java 8 release. All those new features are described in this last part of this serie)