Mastering Thread Execution Order in Java: Techniques for Synchronization and Control

if you have three threads — t1, t2, and t3 — and you need them to execute in that order

Java’s Thread class provides a robust foundation for concurrent programming, but controlling the exact execution order of threads can be challenging. Due to the inherently non-deterministic nature of thread scheduling, threads can start and complete in any order unless we apply synchronization techniques.

if you have three threads — t1, t2, and t3 — and you need them to execute in that order

• Using join() Method
• Leveraging CountDownLatch
• Employing CyclicBarrier
• Utilizing ExecutorService and Future

Each method has unique strengths and is suitable for specific use cases. Let’s dive into each.

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1. Using the join() Method