My shop is using IntelliJ and we are converting our Java 6 projects (Inherited from an outsourced vendor 2 years ago) to run on Java 8. Jetbrains built in some great IDE functionality every developer needs to check-out.
That also generated this question to mind: what about performance? Lambdas and the Stream API make the code oh-so awesome to read, but is it efficient compared to verbose Java? I found this nifty blog: