I have an application for rails. I also wrote a method in Java that builds a 4-dimensional tree structure. Its for querying my database. The code is relatively complicated that I do not want to rewrite it in Ruby again. Is there a way to use this Java method that I wrote in my rails application.
This will be for the Heroku hosted application.
If so, how do I know how to do this? What keywords should I use Google? Can someone point me to good resources ...
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