https://github.com/politrons/reactive

Reactive: Examples of the most famous reactive libraries that you can find in the market.
https://github.com/politrons/reactive

akka flow flux java reactivestreams reactivex reactor rsocket rxjava spring stream

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Reactive: Examples of the most famous reactive libraries that you can find in the market.

• Host: GitHub
• URL: https://github.com/politrons/reactive
• Owner: politrons
• Created: 2015-09-08T06:11:22.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2025-06-18T13:49:17.000Z (7 months ago)
• Last Synced: 2025-06-18T14:40:42.188Z (7 months ago)
• Topics: akka, flow, flux, java, reactivestreams, reactivex, reactor, rsocket, rxjava, spring, stream
• Language: Java
• Homepage:
• Size: 1.58 MB
• Stars: 328
• Watchers: 30
• Forks: 58
• Open Issues: 6
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml

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README

          
Author Pablo Picouto Garcia

Is this repo useful? Please ⭑Star this repository and share the love.

Here we cover with examples the most famous [reactive](https://www.reactivemanifesto.org/) libraries that you can find

in the market.

## ReactiveX

![My image](src/main/resources/img/reactivex.png)

Marble diagrams are not clear enough?.

Here we cover with some practical examples, the most common use of

the [ReactiveX](https://github.com/ReactiveX/RxJava/wiki) platform for Java.

RxScala examples [here](https://github.com/politrons/reactiveScala)

* **Contactable**

  ![My image](src/main/resources/img/rsz_publishconnectc.png)

    * [HotObservable](src/test/java/rx/observables/connectable/HotObservable.java)

* **Combining**

  ![My image](src/main/resources/img/rsz_1zipo.png)

    * [Chain](src/test/java/rx/observables/combining/ObservableChain.java)

    * [Concat](src/test/java/rx/observables/combining/ObservableConcat.java)

    * [Merge](src/test/java/rx/observables/combining/ObservableMerge.java)

    * [Zip](src/test/java/rx/observables/combining/ObservableZip.java)

    * [Switch](src/test/java/rx/observables/combining/ObservableSwitch.java)

* **Creating**

  ![My image](src/main/resources/img/rsz_1createc.png)

    * [Create](src/test/java/rx/observables/creating/ObservableCreate.java)

    * [Defer](src/test/java/rx/observables/creating/ObservableDefer.java)

    * [Interval](src/test/java/rx/observables/creating/ObservableInterval.java)

    * [Subscription](src/test/java/rx/observables/creating/ObservableSubscription.java)

* **Filtering**

  ![My image](src/main/resources/img/rsz_1filter.png)

    * [Debounce](src/test/java/rx/observables/filtering/ObservableDebounce.java)

    * [Distinct](src/test/java/rx/observables/filtering/ObservableDistinct.java)

    * [Skip](src/test/java/rx/observables/filtering/ObservableSkip.java)

    * [Take](src/test/java/rx/observables/filtering/ObservableTake.java)

    * [First](src/test/java/rx/observables/filtering/ObservableFirst.java)

    *[Run java classes](src/test/java/java11/HelloWorld11.java)

* **Transforming**

  ![My image](src/main/resources/img/rsz_flatmap.png)

    * [Map](src/test/java/rx/observables/transforming/ObservableMap.java)

    * [FlatMap](src/test/java/rx/observables/transforming/ObservableFlatMap.java)

    * [GroupBy](src/test/java/rx/observables/transforming/ObservableGroupBy.java)

    * [Scan](src/test/java/rx/observables/transforming/ObservableScan.java)

    * [Collect](src/test/java/rx/observables/transforming/ObservableCollect.java)

    * [Buffer](src/test/java/rx/observables/transforming/ObservableBuffer.java)

    * [Window](src/test/java/rx/observables/transforming/ObservableWindow.java)

    * [Compose](src/test/java/rx/observables/transforming/ObservableCompose.java)

* **Scheduler**

  ![My image](src/main/resources/img/rsz_2subscribeonc.png)

    * [Asynchronous](src/test/java/rx/observables/scheduler/ObservableAsynchronous.java)

* **Errors**

  ![My image](src/main/resources/img/rsz_2subscribeonc.png)

    * [Exceptions](src/test/java/rx/observables/errors/ObservableExceptions.java)

* **Utils**

    * [Delay](src/test/java/rx/observables/utils/ObservableDelay.java)

    * [AmbConditional](src/test/java/rx/observables/utils/ObservableAmbConditional.java)

    * [Cache](src/test/java/rx/observables/utils/ObservableCache.java)

    * [ToBlocking](src/test/java/rx/observables/utils/ObservableToBlocking.java)

* **Single**

  An Observable that just emit 1 item through the pipeline.

    * [SingleFeatures](src/test/java/rx/single/SingleFeatures.java)

* **Relay**

  A subject which subscribe observers and keep the pipeline open all the time.

    * [Relay](src/test/java/rx/relay/Relay.java)

## Spring Reactor

![My image](src/main/resources/img/reactor.png)

The reactive stream API implementation of Spring.

![My image](src/main/resources/img/rsz_1createc.png)

* [Creating](src/test/java/reactor/ReactorCreating.java)

![My image](src/main/resources/img/rsz_1zipo.png)

* [Combining](src/test/java/reactor/ReactorCombining.java)

![My image](src/main/resources/img/rsz_flatmap.png)

* [Transforming](src/test/java/reactor/ReactorTransforming.java)

![My image](src/main/resources/img/rsz_1filter.png)

* [Filtering](src/test/java/reactor/ReactorFiltering.java)

![My image](src/main/resources/img/rsz_2subscribeonc.png)

* [Async](src/test/java/reactor/ReactorAsync.java)

## Akka

![My image](src/main/resources/img/akka.png)

Implementation of Akka patterns using Akka typed, using Java DSL.

* [patterns](src/test/java/akka/AkkaFeatures.java)

## Akka Stream

The reactive stream API implementation of Akka.

* [Source, Flow, Sink](https://github.com/politrons/Akka/blob/master/src/main/scala/stream/AkkaStream.scala)

* [Subscriber](https://github.com/politrons/Akka/blob/master/src/main/scala/stream/Subscriber.scala)

* [Back-pressure](https://github.com/politrons/Akka/blob/master/src/main/scala/stream/BackPressure.scala)

* [GraphDSL](https://github.com/politrons/Akka/blob/master/src/main/scala/stream/Graphs.scala)

## RSocket

![My image](src/main/resources/img/rsocket.png)

Binary protocol for use on byte stream transports.

* [Fire and Forget](src/test/java/rsocket/RSocketFireAndForget.java)

* [Request Response](src/test/java/rsocket/RSocketRequestResponse.java)

* [Request Stream](src/test/java/rsocket/RSocketRequestStream.java)

* [Request Channel](src/test/java/rsocket/RSocketRequestChannel.java)

## Quarkus

![My image](src/main/resources/img/quarkus_logo.png)

Example of most important features of the red hat framework.

* [features](quarkus/)

## Micronaut

![My image](src/main/resources/img/micronaut.png)

A modern, JVM-based, full-stack framework for building modular, easily testable microservice and serverless

applications.

* [features](https://github.com/politrons/micronaut)

## Oracle Helidon

![My image](src/main/resources/img/helidon.png)

Helidon is a collection of Java libraries for writing microservices that run on a fast web core powered by Netty.

* [WebClient / WebServer](src/test/java/helidon/HelidonWebServer.java)

* [Reactive Messaging](src/test/java/helidon/HelidonReactiveMessaging.java)

* [Kafka connector](src/test/java/helidon/HelidonKafka.java)

* [Scheduler](src/test/java/helidon/HelidonScheduler.java)

##  

![My image](src/main/resources/img/vavr.png)

Example of most important features of this functional programing library for Java.

* [effects](src/test/java/vavr/VavrEffects.java)

* [Functions](src/test/java/vavr/VavrFunctions.java)

* [Collections](src/test/java/vavr/VavrCollections.java)

* [Pattern matching](src/test/java/vavr/VavrPatternMatching.java)

* [Future](src/test/java/vavr/VavrFuture.java)

## Category Theory

![My image](src/main/resources/img/pure.png)

Example of Monad implementation for Java.

* [monad](src/test/java/effects/PolEffectSystem.java)

## ![My image](src/main/resources/img/curator-logo.png)

Apache Curator is a Java/JVM client library for Apache ZooKeeper, a distributed coordination service.

* [distributed lock and counter](src/test/java/curator/ApacheCuratorFeature.java)

## Reactive Stream Monads combination

A Combination of Monads that implement Reactive Stream.

* [ReactiveStream](src/test/java/ReactiveMonadsCombinations.java)

## Observer V Iterator Pattern

An explanation, comparative and benchmark between these two patterns.

* [ObserverVsIterator](src/test/java/rx/utils/ObserverVsIterator.java)

## RxJava V Spring Reactor

A Comparative and benchmark between these two frameworks.

* [ReactorVsRx](src/test/java/rx/utils/ReactorVsRx.java)

## Java 8

![My image](src/main/resources/img/rsz_stream.jpg)

* [Stream](src/test/java/java8/StreamUtils.java)

* [Functions](src/test/java/java8/Functions.java)

* [CompletableFuture](src/test/java/java8/CompletableFutureFeature.java)

## Java 9

![My image](src/main/resources/img/java-9.png)

* [Flow](src/test/java/java9/FlowFeatures.java)

* [Features](src/test/java/java9/UtilFeatures.java)

* [Optional](src/test/java/java9/OptionalImprovements.java)

* [Module system](src/test/java/module-info.java.bak)

## Java 10

![My image](src/main/resources/img/10.png)

* [Collections](src/test/java/java10/Collections.java)

* [Local variable type inference](src/test/java/java10/LocalVariableTypeInference.java)

## Java 11

![My image](src/main/resources/img/11.png)

* [HttpClient2](src/test/java/java11/HttpClient2Feature.java)

* [String](src/test/java/java11/StringFeatures.java)

* [File](src/test/java/java11/FileFeatures.java)

* [Collection](src/test/java/java11/CollectionFeatures.java)

* [Local variable](src/test/java/java11/LocalVariableFeature.java)

## Java 12

![My image](src/main/resources/img/12.png)

* [Switch Expression](https://github.com/politrons/reactive/blob/master/src/test/java/java12/Java12Features.java#L16)

* [String API](https://github.com/politrons/reactive/blob/master/src/test/java/java12/Java12Features.java#L50)

* [JVM Constants API](https://github.com/politrons/reactive/blob/master/src/test/java/java12/Java12Features.java#L101)

## Java 14

![My image](src/main/resources/img/j14.png)

* [Pattern matching](https://github.com/politrons/reactive/blob/master/src/test/java/java14/Java14Features.java#L11)

* [Multiline text](https://github.com/politrons/reactive/blob/master/src/test/java/java14/Java14Features.java#L31)

* [Record type](https://github.com/politrons/reactive/blob/master/src/test/java/java14/Java14Features.java#L54)

## Java 15

* [Sealed class](src/test/java/java15/Java15Features.java)

## Java 16

![My image](src/main/resources/img/16.png)

* [Features](src/test/java/java16/Java16Features.java)

## Java 17

![My image](src/main/resources/img/j17.jpg)

* [Features](src/test/java/java17/Java17Features.java)

## Java 18

Project Loom feature

* [Features](src/test/java/loom/LoomFeatures.java)

## Java 19

Pattern matching improvements & Virtual Thread

* [Features](src/test/java/java19/Java19Features.java)

* 

## Java 20,21,22

![My image](src/main/resources/img/java22.jpeg)

All new features of this 3 Java versions.

* [Features](src/test/java/java22/FeaturesJava22.java)

## ![My image](src/main/resources/img/eclipse.png)

Eclipse Collections is one of the best Java collections framework ever that brings happiness to your Java development.

* [feature](src/test/java/eclipse_collection/EclipseCollectionFeature.java)

## ![My image](src/main/resources/img/kafka.png)

Examples of patterns using Apache Kafka.

* **[Throttling](kafka/src/test/java/com/politrons/kafka/KafkaThrottling.java)**

* **[Assign](kafka/src/test/java/com/politrons/kafka/KafkaAssignment.java)**

* **[Stream](kafka/src/test/java/com/politrons/kafka/KafkaStreamFeature.java)**

* **[balancing](kafka/src/test/java/com/politrons/kafka/KafkaBalancing.java)**

* **[Sagas](kafka/src/test/java/com/politrons/kafka/sagas/KSaga.java)**

* **[Delay](kafka/src/test/java/com/politrons/kafka/KafkaDelay.java)**

* **[AdminClient](kafka/src/test/java/com/politrons/kafka/KafkaAdminClient.java)**

## Software craftsmanship

* [(S)ingle responsibility principle](src/test/java/good_practices/SRP.java)

* [(O)pen/Closed principle](src/test/java/good_practices/OpenClosedPrinciple.java)

* [(L)iskov substitution principle](src/test/java/good_practices/LiskovSubstitutionPrinciple.java)

* [(I)nterface segregation principle](src/test/java/good_practices/InterfaceSegregationPrinciple.java)

* [(D)on't repeat yourself](src/test/java/good_practices/DRY.java)

## Patterns

* **[Race](src/test/java/patterns/RacePattern.java)**

* **[Effect system](src/test/java/effects/JIOFeature.java)**

* **[Channel](src/test/java/communication/ChannelFeature.java)**

## Java Object Layout (JOL)

* **[HashMap vs Chronicle Map](JOL/README.md)**

## Priority Queue

* **[Priority Queue](src/test/java/PriorityQueueFeature.java)**

## Architectures

* **[Netflix GraphQL Federation Replica](NetflixArchitecture)**

## TigerBeetle

* **[Benchmark](DatabaseBenchmarks/)**

## Programs

* [PaymentAPI:](https://github.com/politrons/PaymentAPI) A Reactive microservice with DDD + CQRS + Event Sourcing

* [Reactive StarWars](https://github.com/politrons/reactiveStarWars) A Star wars reactive microservice platform, formed

  by four services