title: Calling a Custom Java Class in JRuby
body: <p>I'm having trouble trying to call a custom java class with JRuby:</p>
  
  <p>"uninitialized constant Classifier::SentimentClassifier"</p>
  
  <pre><code>require 'java'
  require 'lib/SentimentClassifier.jar'
  
  class Classifier 
      def self.classify
         classifier = SentimentClassifier.new
      end
  end
  </code></pre>