Does Java have support for multicore processors/parallel processing?

Yes. It also has been a platform for other programming languages where the implementation added a "true multithreading" or "real threading" selling point. The G1 Garbage Collector introduced in newer releases also makes use of multi-core hardware.

In most Java implementations, you can rely on Java threads being real OS threads. As a result, the operating system will take care of making sure that the workload is distributed across multiple cores if you use the Thread class.

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