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TutorialsProject Loom in IntelliJ IDEA: Virtual Threads, Scoped Values, and Structured Concurrency

Java concurrency is a powerful feature, but it can be difficult to get right. Writing correct multithreaded code requires a deep understanding of thread pools, synchronization, cancellation, and error propagation. Even experienced developers regularly introduce subtle bugs like thread leaks, swallowed exceptions, and race conditions that only surface under specific circumstances.

Traditionally, Java concurrency has had several limitations: