Dive into a comprehensive tutorial series on Java multithreading, covering everything from basic concepts to advanced techniques. Learn how to start threads, implement basic thread synchronization, and utilize the synchronized keyword. Explore multiple locks and synchronized code blocks, then delve into thread pools and countdown latches. Master producer-consumer patterns, wait and notify mechanisms, and low-level synchronization through a worked example. Gain expertise in re-entrant locks, understand and prevent deadlocks, and harness the power of semaphores. Discover how to work with Callable and Future interfaces, and learn the intricacies of interrupting threads. Over the course of 2 hours and 30 minutes, acquire the skills to write efficient, concurrent Java applications.