Micronaut is reactive by nature and uses RxJava2 as the implementation for the Reactive Streams API by default. RxJava2 is on the compile classpath by default, but we can easily use Project Reactor as the implementation of the Reactive Streams API. This allows us to use the Reactor types Mono and Flux. These types are also used by Spring's Webflux framework and make a transition from Webflux to Micronaut very easy. How do we use Project Reactor in our Micronaut application? We only have to add the dependency the Project Reactor core library to our project. In the following example, we add it to our build.gradle file:


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java,api,microservices,code,reactive streams,mono,flux,micronaut,project reactor