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@j-util

j-util

Focused Java libraries for efficient data structures, memory-conscious processing, concurrency, and predictable runtime behavior.
README.md

j-util

A collection of focused Java libraries for efficient backend development.

Depending on the problem, projects emphasize low latency, memory efficiency, specialized data structures, concurrency, or predictable runtime behavior, while keeping APIs practical and dependency footprints minimal.

Created and maintained by Karen Barseghyan.

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  1. inputstream-processor-core inputstream-processor-core Public

    Incrementally parse and process structured InputStream content one item at a time without materializing the complete input in memory.

    Java 1

  2. columnar-projection-store columnar-projection-store Public

    Annotation-generated in-memory columnar stores for Java projection interfaces

    Java 1

  3. reduction-store reduction-store Public

    Compile-time generated, strongly typed in-memory reduction stores for Java.

    Java

  4. immutability-checker immutability-checker Public

    Conservative compile-time Java immutability checker for recursive class, static-state, and owned-collection verification.

    Java

  5. parallel-range-processor parallel-range-processor Public

    Parallel delimiter-framed record processing for range-addressable byte sources.

    Java

  6. splice-list splice-list Public

    List-compatible Java collection optimized for structural whole-list splicing without element copying.

    Java 5

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