Introducing an online course for beginners that helps you get started with JRuby programming.

What’s JRuby?

Credit: JRuby

According to http://en.wikipedia.org/wiki/JRuby – “JRuby is a Java implementation of the Ruby programming language, being developed by the JRuby team. JRuby is tightly integrated with Java to allow the embedding of the interpreter into any Java application with full two-way access between the Java and the Ruby code.”

Charles Nutter says -

Despite all the new alternatives, JRuby on Rails remains one of the fastest, cleanest ways to build JVM-based web applications. JRuby provides the full Ruby ecosystem as well as integration with JVM languages and libraries. Ruby is both a wonderful language and increasingly the best choice for rapid application development. Add to that platforms like Torquebox and the excellent Ruby community, and it’s easy to see why JRuby should be in every Java developer’s toolbox.

What Will I Learn?

  • What is JRuby?
  • Why JRuby?
  • Killer app
  • What the experts say
  • Downloading and Setting-up JRuby
  • Getting your hands wet
    • JRuby allows Ruby programs to use Java classes
      • jruby01a.rb – JVM properties
      • jruby01.rb – DateFormat and Date
      • jruby02.rb – Internationalization / Localization
      • jruby03.rb – Swing library
      • Extending Java
      • Assignment 1
      • jruby04.rb – ActiveRecord and JDBC
    • JRuby allows Java programs to use Ruby classes
      • JRubyJSR223.java
      • JRubyJSR223Ex2.java
      • Assignment 2
  • Brief look at Ruby on Rails
  • Installation
  • Install Bundler and Rails
  • Creating your app – JRuby on Rails

Who’s It For?

A beginner but with a working knowledge of Ruby and Java.

This course will not teach you Java or Ruby programming. A basic knowledge of both programming languages is assumed, but most examples will be in Ruby and focus on Ruby development with help from Java. Also, you should have played around with some database. Whether you are a Java hacker who’s new to Ruby or a Rubyist taking your first steps into Java, this course is a great guide to help you navigate the gray area between the new languages.

By the time you have finished the course and worked on the examples and assignments, you will be fairly comfortable with JRuby.

Mentors

Satish Talim and others from the RubyLearning team.

Dates

The course starts on Saturday, 12th May 2012 and runs for a week.

How do I register?

Register here. Use the Enrollment key: rubylearning. That’s it!

Hurry, registrations have started.

At the end of this course you should have enough working knowledge to explore the wonderful world of JRuby, on your own.

Update

9th April 2012 at 7.45 hrs IST – List of Participant’s Countries

Online Graphing

Here are some details on how the course works:

Important:

Once the course starts, you can login and start with the lessons any day and time and post your queries in the forum under the relevant lessons. Someone shall always be there to answer them. Just to set the expectations correctly, there is no real-time ‘webcasting’.

Methodology:

  • The Mentors shall give you URL’s of pages and sometimes some extra notes; you need to read through. Read the pre-class reading material at a convenient time of your choice – the dates mentioned are just for your guideline. While reading, please make a note of all your doubts, queries, questions, clarifications, comments about the lesson and after you have completed all the pages, post these on the forum under the relevant lesson. There could be some questions that relate to something that has not been mentioned or discussed by the mentors thus far; you could post the same too. Please remember that with every post, do mention the operating system of your computer.
  • The mentor shall highlight the important points that you need to remember for that day’s session.
  • There could be exercises every day. Please do them.
  • Participate in the forum for asking and answering questions or starting discussions. Share knowledge, and exchange ideas among yourselves during the course period. Participants are strongly encouraged to post technical questions, interesting articles, tools, sample programs or anything that is relevant to the class / lesson. Please do not post a simple "Thank you" note or "Hello" message to the forum. Please be aware that these messages are considered noises by people subscribed to the forum.

Outline of Work Expectations:

  1. Most of the days, you will have exercises to solve. These are there to help you assimilate whatever you have learned till then.
  2. Some days may have some extra assignments / food for thought articles / programs
  3. Above all, do take part in the relevant forums. Past participants will confirm that they learned the best by active participation.

Some Commonly Asked Questions

  • Qs. Is there any specific time when I need to be online?
    Ans. No. You need not be online at a specific time of the day.
  • Qs. Is it important for me to take part in the course forums?
    Ans. YES. You must Participate in the forum(s) for asking and answering questions or starting discussions. Share knowledge, and exchange ideas among yourselves (participants) during the course period. Participants are strongly encouraged to post technical questions, interesting articles, tools, sample programs or anything that is relevant to the class / lesson. Past participants will confirm that they learned the best by active participation.
  • Qs. How much time do I need to spend online for a course, in a day?
    Ans. This will vary from person to person. All depends upon your comfort level and the amount of time you want to spend on a particular lesson or task.
  • Qs. Is there any specific set time for feedback (e.g., any mentor responds to me within 24 hours?)
    Ans. Normally somebody should answer your query / question within 24 hours.
  • Qs. What happens if nobody answers my questions / queries?
    Ans. Normally, that will not happen. In case you feel that your question / query is not answered, then please post the same in the thread – “Any UnAnswered Questions / Queries”.
  • Qs. What happens to the class (or forums) after a course is over? Can you keep it open for a few more days so that students can complete and discuss too?
    Ans. The course and its forum is open for a month after the last day of the course.

Remember, the idea is to have fun learning JRuby.

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Posted by Satish Talim

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65 comments

Registrations are now open for RubyLearning’s popular Ruby programming course. This is an intensive, online course for beginners that helps you get started with Ruby programming.

Here is what Sandra Randall (Butler), a participant who just graduated, has to say – “You kindly offered me the opportunity to join your Ruby course. I’m new to development and found the course, even though basic for programmers, a little tricky for me. I managed to complete all of the assessments and really learnt a lot. Thank you very much for the opportunity. It has really given me the push I needed to learn Ruby and I’m currently treading my way through both the pickaxe and Agile Development books and enjoying it. I’ve recently been offered a position as a Junior Systems Developer at a local Software house in South Africa – all thanks to the push you gave me which gave me the motivation and drive to get going.”

What’s Ruby?

Ruby

According to http://www.ruby-lang.org/en/ – “Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. Ruby’s elegant syntax is natural to read and easy to write.”

Yukihiro Matsumoto, the creator of Ruby, in an interview says -

I believe people want to express themselves when they program. They don’t want to fight with the language. Programming languages must feel natural to programmers. I tried to make people enjoy programming and concentrate on the fun and creative part of programming when they use Ruby.

What Will I Learn?

In the Ruby programming course, you will learn the essential features of Ruby that you will end up using every day. You will also be introduced to Git, GitHub, HTTP concepts, RubyGems, Rack and Heroku.

Depending on participation levels, we throw a Ruby coding challenge in the mix, appropriate for the level we are at. We have been known to give out a prize or two for the ‘best’ solution.

Who’s It For?

A beginner with some knowledge of programming..

You can read what past participants have to say about the course.

Mentors

Satish Talim, Michael Kohl, Satoshi Asakawa, Victor Goff III and others from the RubyLearning team.

Dates

The course starts on Saturday, 14th Apr. 2012 and runs for seven weeks.

RubyLearning’s IRC Channel

Most of the mentors and students hang out at RubyLearning’s IRC (irc.freenode.net) channel (#rubylearning.org) for both technical and non-technical discussions. Everyone benefits with the active discussions on Ruby with the mentors.

How do I register and pay the course fees?

  • The course is based on the The Ultimate Guide to Ruby Programming eBook. This book is normally priced at US$ 19.95 and we are discounting it US$ 10.00 by combining it in the Course+eBook option below.
  • You can pay either by Paypal or send cash via Western Union Money Transfer or by bank transfer (if you are in India). The fees collected helps RubyLearning maintain the site, this Ruby course, the Ruby eBook, and provide quality content to you.
  • Once you pay the fees below, register on the RubyLearning.org site and send us your name and registered email id while creating an account at RubyLearning.org to satish [at] rubylearning [dot] com
  • We will enroll you into the course. If you have purchased the eBook at the time of registration, we will personally email you the eBook within 24 hours.

You can pay the Course Fees by selecting one of the three options from the drop-down menu below. Please select your option and then click on the “Add to Cart” button.

Register

At the end of this course you should have all the knowledge to explore the wonderful world of Ruby on your own.

Here are some details on how the course works:

Important:

Once the course starts, you can login and start with the lessons any day and time and post your queries in the forum under the relevant lessons. Someone shall always be there to answer them. Just to set the expectations correctly, there is no real-time ‘webcasting’.

Methodology:

  • The Mentors shall give you URL’s of pages and sometimes some extra notes; you need to read through. Read the pre-class reading material at a convenient time of your choice – the dates mentioned are just for your guideline. While reading, please make a note of all your doubts, queries, questions, clarifications, comments about the lesson and after you have completed all the pages, post these on the forum under the relevant lesson. There could be some questions that relate to something that has not been mentioned or discussed by the mentors thus far; you could post the same too. Please remember that with every post, do mention the operating system of your computer.
  • The mentor shall highlight the important points that you need to remember for that day’s session.
  • There could be exercises every day. Please do them.
  • Participate in the forum for asking and answering questions or starting discussions. Share knowledge, and exchange ideas among yourselves during the course period. Participants are strongly encouraged to post technical questions, interesting articles, tools, sample programs or anything that is relevant to the class / lesson. Please do not post a simple "Thank you" note or "Hello" message to the forum. Please be aware that these messages are considered noises by people subscribed to the forum.

Outline of Work Expectations:

  1. Most of the days, you will have exercises to solve. These are there to help you assimilate whatever you have learned till then.
  2. Some days may have some extra assignments / food for thought articles / programs
  3. Above all, do take part in the relevant forums. Past participants will confirm that they learned the best by active participation.

Some Commonly Asked Questions

  • Qs. Is there any specific time when I need to be online?
    Ans. No. You need not be online at a specific time of the day.
  • Qs. Is it important for me to take part in the course forums?
    Ans. YES. You must Participate in the forum(s) for asking and answering questions or starting discussions. Share knowledge, and exchange ideas among yourselves (participants) during the course period. Participants are strongly encouraged to post technical questions, interesting articles, tools, sample programs or anything that is relevant to the class / lesson. Past participants will confirm that they learned the best by active participation.
  • Qs. How much time do I need to spend online for a course, in a day?
    Ans. This will vary from person to person. All depends upon your comfort level and the amount of time you want to spend on a particular lesson or task.
  • Qs. Is there any specific set time for feedback (e.g., any mentor responds to me within 24 hours?)
    Ans. Normally somebody should answer your query / question within 24 hours.
  • Qs. What happens if nobody answers my questions / queries?
    Ans. Normally, that will not happen. In case you feel that your question / query is not answered, then please post the same in the thread – “Any UnAnswered Questions / Queries”.
  • Qs. What happens to the class (or forums) after a course is over? Can you keep it open for a few more days so that students can complete and discuss too?
    Ans. The course and its forum is open for a month after the last day of the course.

Remember, the idea is to have fun learning Ruby.

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Posted by Satish Talim

Buzz Follow me on Twitter to communicate and stay connected

15 comments