vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
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Updated
Apr 14, 2025 - Java
vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
The most advanced ORM of JVM, for both java & kotlin
The Capsule Hash Trie Collections Library
Generic, Null-safe, Immutable Collections and Functional Transformations for the JVM
Functional Programming library for Java
Efficient Immutable/Persistent Collections for Java
Artifact accompanying our OOPSLA'15 publication.
Gson datatype module for Vavr
Utilities for modern java development.
Universal facade of JDK 9+ API, focused on Collection factory methods
Truly immutable collections, functional errors handling, laziness, and measurement utilities
Performant copy-on-write collections on the jvm
Persistent (immutable) collections for Java and Kotlin
Library for functional programing in Java 17+ utilizing sealed types
Coding exercise: The martian robots/ rovers problem in Java with a functional twist..
Simple implementations of immutable collectons like List, Map and Set for Java 8
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