Checkstyle for Java-Based Applications, Scalastyle is best Scala style checker tool available for Play and Scala based applications.
Scalastyle observes our Scala source code and indicates potential problems with it. It has three separate plug-ins to supports the following build tools:
1.SBT
2.Maven
3.Gradle
It has two separate plug-ins to supports the following two IDEs:
1.IntelliJ IDEA
2.Eclipse IDE