JRebel is a library available for IntelliJ IDEA, Eclipse, etc.
JRebel fast track Java application development, view code changes in real-time while preserving application state.
And it’s not a free or open-source software. You must pay for using it.
If you’re student and you just want to test its features, follow these steps to activate it:
- Goto https://www.uuidgenerator.net/ to generate an UID. Copy it.
- Install JRebel plugin for your IDE.
- Go to JRebel Activation, use the following license server to activate: http://jrebel.travistran.me/{UID}
Done.
Screenshots:

