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Editorial Team
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Asked: 2026-05-28T02:51:51+00:00

Is there a way to dig into an ExecutorServer object to see how many

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Is there a way to dig into an ExecutorServer object to see how many threads are currently being used?

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  1. Editorial Team
    if (executor instanceof ThreadPoolExecutor) {
    int poolSize = ((ThreadPoolExecutor) executor).getPoolSize();
    // or
    int currentlyActive = ((ThreadPoolExecutor) executor).getActiveCount();
}

    But generally, you should know that, because you have constructed the service (unless it is hidden in some bad API)

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