plugins { `java-library` } group = "com.baeldung" version = "1.0.0" dependencies { api("io.reactivex.rxjava2:rxjava:2.2.16") implementation("com.google.guava:guava") { version { require("10.0") prefer("28.1-jre") because("Only uses ImmutableList type, so any version since 2.0 will do, but tested with 28.1-jre") } } testImplementation("org.junit.jupiter:junit-jupiter-api:5.5.2") testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2") } tasks.compileJava { sourceCompatibility = "1.8" targetCompatibility = "1.8" } tasks.test { useJUnitPlatform() }