Groovy Training: Introduction to Groovy for Java Developers

Course Number: GRO-100
GSA/Previous Course Number: 550
Duration: 4 days
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Groovy Training Overview

Accelebrate's Groovy for Java™ Developers training teaches experienced Java developers how to write programs in Groovy that simplify, enhance, and expand their existing knowledge.

Location and Pricing

Most Accelebrate courses are taught on-site at our clients' locations worldwide for groups of 3 or more attendees and are customized to their specific needs. Please visit our client list to see organizations for whom we have recently delivered training. These courses can also be delivered as live, private online classes for groups that are geographically dispersed or wish to save on the instructor's or students' travel expenses. To receive a customized proposal and price quote private training at your site or online, please contact us.

In addition, some courses are available as live, online classes for individuals. To see a schedule of online courses, please visit http://www.accelebrate.com/online_training/xml_html_js.htm.

Groovy Training Prerequisites

All attendees should have a good knowledge of Java techniques, including the Collections framework and JDBC.

Hands-on/Lecture Ratio

This training class is 70% hands-on, 30% lecture, with the longest lecture segments lasting for 15 minutes. Students "learn by doing," with immediate opportunities to apply the material they learn to real-world problems.

Groovy Training Materials

All attendees receive a copy of Manning's Groovy in Action and related course materials, as well as copies of all code created during class.

Software Needed on Each Student PC

Please contact us for specific setup instructions. In general, you will need:

A Java SE SDK 1.5.0 or later
The latest stable release of Groovy
A good integrated development environment that supports both languages, like Eclipse, TextMate, or UltraEdit
Other open source software; please contact us for details.

Groovy Training Objectives

Understand how dynamic languages differ from languages like Java or C#
Work with Groovy closures
Use Groovy control structures
Build object-oriented programs in Groovy
Use Groovy builders to reduce complexity
Access databases using Groovy
Process XML files in Groovy
Write unit tests in Groovy
Access Java classes from Groovy, and vice versa
Build a simple web application using Grails

Groovy Training Outline

Groovy Fundamentals

Differences between Groovy and Java
Compiling and executing Groovy programs
The basic Groovy data types and optional typing
Writing Groovy scripts
Declaring classes
Overriding operators and type coercion
GDK: the Groovy library
Groovy strings
Regular expressions in Groovy

Groovy Collections

Ranges
Lists
Maps
Iterators and polymorphic algorithms

Closures in Groovy

Declaring closures
Available options for calling closures

Groovy Control Structures

The "Groovy truth"
Conditional execution
Looping constructs

Using Classes and Scripts

Groovy fields and local variables
Methods and operations
Safe dereferencing with the ?. operator
Organizing classes in packages
Using inheritance
POGO's vs. POJO's

Unit Testing in Groovy

GroovyTestCase
Unit-testing Groovy code
Unit-testing Java code
Code coverage and automation

Groovy Builders

NodeBuilder
MarkupBuilder
SwingBuilder

Survey of the GDK

Simplified File access
Templates
Groovlets

Database Access with Groovy

Basic database operations
DataSet operations
Groovy and ORM solutions

Working with XML

Reading and parsing XML documents
Using XPath expressions
Distributed processing with XML

Simple Metaprogramming

Metaclasses
Injecting methods with Categories
The Expando metaclass

Web Development with Grails

The Grails framework
Creating web applications using Grails

Conclusion

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“Accelebrate,” “Accelerated Learning Celebrated Results,” and the Accelebrate logo are registered trademarks of Accelebrate, Inc. All other product names and trademarks are property of their respective owners. Course outline content may mirror or be derived from the book that each student receives with the course. Otherwise, all content is copyright © 2003- by Accelebrate, Inc. of Atlanta, Georgia, USA. To contact us, please use the contact form, email info@accelebrate.com us, or call 1 877 849 1850 in the US and Canada, 0808 234 2132 in the UK, 1 800 550 311 in Ireland, or +1 678 648 3113 from all other locations.