Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
- java
- eclipse-collections
- java-collections
- collections
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SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
- xquery
- java
- temporal-data
- storage
Immutable in-memory R-tree and R*-tree implementations in Java with reactive api
Immuto - Java Records-first object mapper.An annotation processor generates type-safe mapper implementations at compile time; the generated code calls each target record's canonical constructor directly - zero runtime reflection, sealed class support, full Java 21+ idioms.
- annotation-processor
- bean-mapper
- canonical-constructor
- code-generation
vertx-values enhances JSON handling in Vert.x by providing codecs for the immutable JSON objects from the json-values library. It eliminates the need for copying JSON data during transmission over the Event Bus, reducing garbage collection overhead and boosting performance.
- immutability
- json
- json-values
- persistent-data-structure