# Java 9

This chapter contains what is new in Java 9.

Verify if we can migrate to Java 9. Go into classes directory and run [jdeps](https://docs.oracle.com/javase/8/docs/technotes/tools/unix/jdeps.html). If we get no output, we should be fine to migrate.

```
/Users/ondrej/app/build/classes
➜  classes git:(master) $JAVA_HOME/bin/jdeps -jdkinternals main
➜  classes git:(master)
```