Reuse Java code in your Ruby on Rails applications

Ruby on Rails applications. This tutorial shows how you can put this toolkit to ….. 3. Include the rjb library in your application. …

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Reuse Java code in your Ruby on Rails applications
Reuse Java code in your Ruby on Rails applications
Cross the Ruby-Java divide with the Ruby Java Bridge
Skill Level: Intermediate Santhosh Krishnamoorthy Staff Software Engineer IBM Software Labs, Bangalore

05 Jun 2008 The Ruby Java Bridge (RJB) lets you load JavaTM classes directly to, and call them from, Ruby on Rails applications. This tutorial shows how you can put this toolkit to work by reusing your legacy Java Web application code in a modern Web development platform.

Section 1. Before you start
About this tutorial
Ruby on Rails (Rails) is a full-stack Web application framework written in Ruby — a feature-rich, free, simple, extensible, portable, object-oriented scripting language. Rails has gained immense popularity among Web application developers. With it, you can quickly and efficiently develop a Web application and deploy it into any Web container, such as IBM(R) WebSphere(R) or Apache Tomcat. Before Rails and similar Web application development frameworks were available, the de facto standard tool for the job was the Java language, thanks to its platform independence and comprehensive API set. Many Java Web applications are still running, resulting in the ready availability of much useful, well-written Java code (loosely referred to in this tutorial as legacy code). Legacy Java code is usually
Reuse Java code in your Ruby on Rails applications (c) Copyright IBM Corporation 2008. All rights reserved.

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