4.0.0 rxjava-core 1.0-SNAPSHOT rxjava-core com.baeldung parent-java 0.0.1-SNAPSHOT ../parent-java io.reactivex rxjava ${rx.java.version} io.reactivex.rxjava2 rxjava ${rx.java2.version} com.jayway.awaitility awaitility ${awaitility.version} org.assertj assertj-core ${assertj.version} 3.8.0 1.2.5 1.7.0 2.2.2