examples/gem-with-java-extension-and-jar-dependencies/using-rake-compiler/test.rb
# frozen_string_literal: true
# setup env
$LOAD_PATH << 'lib'
# load our gem and its jars
require 'mygem'
# load test jar
require_jar 'org.slf4j', 'slf4j-simple', '1.7.7'
# use it
logger = org.slf4j.LoggerFactory.get_logger('root')
logger.info(Java::App.hello('world'))