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Groovy Grails

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This is an Online Instructor Led Training

FOR FREE DEMO contact :

Email : training@sohatechnologies.com

Phone/WhatsApp : 630-254-2229

Course Overview

Groovy is an object oriented language which is based on Java platform. Groovy 1.0 was released in January 2, 2007 with Groovy 2.4 as the current major release. Groovy is distributed via the Apache License v 2.0.Grails is an open-source web application framework on top of the Groovy which exercise convention – over – configuration, honor the DRY (Don’t Repeat Yourself) principle, and is overall lightweight- making it a sound agile framework.

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 Expandmetaclass

Web Development with Grails

  • The Grails framework
  • Creating web applications using Grails

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