# File lib/buildr/java/version_requirement.rb, line 106
    def default
      default = nil
      requirements.reverse.find do |r|
        if Array === r
          if !negative && (r.first.nil? || r.first.include?('='))
            default = r.last.to_s
          end
        else
          default = r.default
        end
      end
      default
    end