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Editorial Team
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Asked: 2026-05-14T03:40:40+00:00

I would like to implement an B+ tree in Java and try to optimize

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I would like to implement an B+ tree in Java and try to optimize it for disk based I/O. Is there an API for accessing individual disk blocks from Java? or is there an API that can do similar block-oriented access that fits my purpose?

I would like to create something like Tokyo Cabinet in 100% Java. Is there anyone that knows what Java only databases like JavaDB is using in the back-end for this?

I know that there are probably other languages than Java that can do this better, but I do this in a learning purpose only.

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1 Answer

  1. Editorial Team

    Off the top of my head I think that MappedByteBuffer in NIO could be your best bet. It’s basically as-direct-as-possible mapping between HDD and Java.

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