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Home/ Questions/Q 7496061
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Editorial Team
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Editorial Team
Asked: May 29, 20262026-05-29T18:27:46+00:00 2026-05-29T18:27:46+00:00

What is the default execution policy on Executors.newSingleThreadExecutor() ? Is this documented? I need

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What is the default execution policy on Executors.newSingleThreadExecutor()?
Is this documented?

I need to guarantee FIFO.

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  1. Editorial Team
    Editorial Team
    2026-05-29T18:27:49+00:00Added an answer on May 29, 2026 at 6:27 pm

    JavaDoc for Executors.newSingleThreadExecutor() says:

    tasks are guaranteed to execute sequentially

    If this is not enough for you, have a look at the sources, it uses LinkedBlockingQueue behind the scenes:

    This queue orders elements FIFO (first-in-first-out).

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