GeezerVison is showing github.com — 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 .
Pinned
Loading
Incrementally parse and process structured InputStream content one item at a time without materializing the complete input in memory.
Java
1
Annotation-generated in-memory columnar stores for Java projection interfaces
Java
1
Compile-time generated, strongly typed in-memory reduction stores for Java.
Java
Conservative compile-time Java immutability checker for recursive class, static-state, and owned-collection verification.
Java
Parallel delimiter-framed record processing for range-addressable byte sources.
Java
List-compatible Java collection optimized for structural whole-list splicing without element copying.
Java
9
Repositories
Loading
Type
All
Public
Sources
Forks
Archived
Mirrors
Templates
Language
Sort
Showing 10 of 10 repositories
immutability-checker
Public
Conservative compile-time Java immutability checker for recursive class, static-state, and owned-collection verification.
j-util/immutability-checker's past year of commit activity
Java
0
Apache-2.0
0
0
0
Updated Oct 4, 2026
j-util/performance-lab's past year of commit activity
Java
0
Apache-2.0
0
4
0
Updated Sep 18, 2026
j-util/columnar-projection-store-hardwood's past year of commit activity
Java
0
Apache-2.0
0
0
0
Updated Sep 18, 2026
j-util/columnar-projection-store's past year of commit activity
Java
1
Apache-2.0
0
4
0
Updated Sep 17, 2026
optional-map
Public
Optional-based read access for Java Map. A small utility built for fun.
j-util/optional-map's past year of commit activity
Java
2
Apache-2.0
0
0
0
Updated Sep 9, 2026
j-util/.github's past year of commit activity
0
0
0
0
Updated Sep 1, 2026
splice-list
Public
List-compatible Java collection optimized for structural whole-list splicing without element copying.
j-util/splice-list's past year of commit activity
Java
9
Apache-2.0
0
2
0
Updated Aug 20, 2026
reduction-store
Public
Compile-time generated, strongly typed in-memory reduction stores for Java.
j-util/reduction-store's past year of commit activity
Java
0
Apache-2.0
0
1
0
Updated Aug 20, 2026
inputstream-processor-core
Public
Incrementally parse and process structured InputStream content one item at a time without materializing the complete input in memory.
j-util/inputstream-processor-core's past year of commit activity
Java
1
Apache-2.0
0
0
0
Updated Aug 20, 2026
j-util/parallel-range-processor's past year of commit activity
Java
0
Apache-2.0
0
0
0
Updated Aug 20, 2026
Uh oh!
There was an error while loading. Please reload this page.
Most used topics
Loading…
Uh oh!
There was an error while loading. Please reload this page.