> Groovy, for example, is as popular as Scala or Kotlin Things have changed in the past few years. I would now put Apache Groovy in a different tier than those

> Groovy, for example, is as popular as Scala or Kotlin Things have changed in the past few years. I would now put Apache Groovy in a different tier than those other two. Kotlin's rise has been at Groovy's (as well as Java's) expense. So nowadays I would rank JVM language adoption as these tiers: 1. Java 2. Kotlin, Scala 3. Clojure, Groovy 4. others, e.g. JRuby, Ceylon