As the title says, I am trying to mix Java and Kotlin in a single project. There\'s a good example found here. mixed-java-kotlin-hello-world. Everything is working properly besi
you should override sourceSets like this
sourceSets { main.java.srcDirs = [] main.kotlin.srcDirs = ['src/main/java', 'src/main/kotlin'] main.resources.srcDirs = ['src/main/resources'] }