Free Course: An Introduction to JRuby

The page announces an online course for beginners that helps people get started with JRuby programming. It says the course assumes basic Ruby, Java, and some database experience, and it is meant to help learners become comfortable with JRuby through examples and assignments.

Reading notes

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• The course introduces JRuby and explains that it lets Ruby programs use Java classes and Java programs use Ruby classes.
• The listed topics include setup, JVM properties, DateFormat and Date, internationalization and localization, Swing, ActiveRecord, JDBC, and JRuby JSR223 examples.
• It also includes a brief look at Ruby on Rails, Bundler, Rails installation, and creating a JRuby on Rails app.
• The course is for beginners with working knowledge of Ruby and Java, not for learning either language from scratch.
• Mentors include Satish Talim and others from the RubyLearning team.
• The course starts on Saturday, 12th May 2012 and runs for a week.
• Registration is done through the linked course page with the enrollment key “rubylearning”.
• Students can log in any day and time after the course starts, but there is no real-time webcasting.
• Mentors provide page URLs and notes, and participants are expected to read them, write down questions, and post them in the forum under the relevant lesson.
• Daily exercises may be assigned, and forum participation is strongly encouraged for asking questions, answering questions, and starting discussions.
• The page says participants should not post simple thank-you or hello messages because those count as noise.
• The course forum stays open for a month after the last day of the course.