Java immutable-collections

Open-source Java projects categorized as immutable-collections
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Topics: Java Stream Functional programming Kotlin Jvm
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Top 7 Java immutable-collection Projects

  • Javaslang

    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.

  • Immutables

    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

    • Project mention: Unchecked Java: Say Goodbye to Checked Exceptions Forever | news.ycombinator.com | 2023-07-13

    This is every Lombok lover's favorite strawman argument I've run into.

    I've been coding in Java professionally for ~20 years. I can count with zero hands the number of times I've been burned by a getter or setter getting changed into something surprising.

    If you really need auto-generated getters/setters/builders - Immutables [1] is a library that does it using bog standard annotation processing rules that don't require hacking your build process.

    [1] https://github.com/immutables/immutables

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  • Eclipse Collections

    Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

    • Project mention: Yet another introduction to Functional Programming | dev.to | 2023-07-12

    eclipse-collections for Java.

  • jimmer

    A revolutionary ORM framework for both java and kotlin.

  • Paguro

    Generic, Null-safe, Immutable Collections and Functional Transformations for the JVM

  • purefun

    Functional Programming library for Java

  • java-immutable-collections

    Efficient Immutable/Persistent Collections for Java

  • SaaSHub

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Java immutable-collections related posts

  • what is the best persistent collection library?

    5 projects | /r/java | 2 Sep 2022

  • A benchmark to show you how fast my ORM framework is

    1 project | /r/Kotlin | 18 Jul 2022

  • I ported my kotlin framework "kimmer" to java, named "jimmer"

    1 project | /r/Kotlin | 9 Jun 2022

  • Is it possible to any jre under 16 to recognise class ver 60 ?

    2 projects | /r/java | 9 Jun 2021

  • Why doesn't Java support immutability directly in the core collection interfaces.

    2 projects | /r/java | 5 May 2021

  • Data-Oriented programming in Java

    1 project | dev.to | 5 Mar 2021

  • Immutable/Persistent Collections for Java 3.2.1 features improved efficiency

    1 project | /r/java | 4 Jan 2021
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Index

What are some of the best open-source immutable-collection projects in Java? This list will help you:

Project Stars
1 Javaslang 5,534
2 Immutables 3,368
3 Eclipse Collections 2,356
4 jimmer 630
5 Paguro 307
6 purefun 105
7 java-immutable-collections 41

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