4.0.0 rxjava-2 rxjava-2 1.0-SNAPSHOT com.baeldung parent-java 0.0.1-SNAPSHOT ../parent-java io.reactivex.rxjava2 rxjava ${rx.java2.version} com.jayway.awaitility awaitility ${awaitility.version} org.assertj assertj-core ${assertj.version} com.jakewharton.rxrelay2 rxrelay ${rxrelay.version} com.github.akarnokd rxjava2-extensions ${rxjava2.ext.version} 3.8.0 2.2.2 1.7.0 2.0.0 0.20.4