Change default Java class file header
IntelliJ comes with default header. Put the cursor in the javadoc header, press Option+Enter on Mac to change it to your preferred header.
/** * Created by hkou on 10/23/15. */
Create unit test
Put the cursor in file header section, then press Option+Enter, one menu option is to create test. IntelliJ offers a comprehensive list of test such as Goovy JUnit, Spock, Junit, TestNG, ScalaTest.