#337 Dr Java not Working for Mac

[Mal]

For some reason Dr Java is not working for me on my MacBook Pro, I have recently downloaded JDK 8 and I downloaded Dr Java as a Jar file and tried to open it with Jar launcher but still it wont work. please help ASAP I need it for University Assignments.

JDK 8u144
Dr Java "drjava-beta-20160913-225446"

Help appreciated