Getting your Grails onTom Henricksen

IT Career Coach, Author, Speaker

Introduction: Tom Henricksen

● 15 Years● MyITCareerCoach.com to help people with

IT

Agenda

1. Groovy Basics2. Groovy Demo3. Grails Basics4. Grails Demo

Groovy Basics1. Dynamic language2. Super set3. Inspired by Python, Ruby, and Smalltalk4. Scripting language

Groovy supports Java1. packages2. imports

a. Default3. exception handling

Groovy Syntaxpublic class HelloWorld { // JAVA

public static void main( String[] args )

System.out.println("Hello World!");

}

}

class HelloWorld { // Groovy

static main( args ){

println ‘Hello World!’

Groovy Syntaxclass HelloWorld {

def greet( name ){

"Hello ${name}!"

}

}

def hm = new HelloWorld()

println hm.greet("Groovy")

Groovy Syntax// Single line comments start with two forward slashes

/*

Multi line comments look like this.

*/

def technologies = []

technologies.add("Grails")

def clos = { println "Hello World!" }

Groovy Tools● groovyc● groovysh● groovy● groovyconsole

Agenda

1. Groovy Basics2. Groovy Demo3. Grails Basics4. Grails Demo

Groovy DemoGroovy Console

Use Groovy 1. Download @ groovy-lang.org2. Install Groovy3. Enjoy

Agenda

1. Groovy Basics2. Groovy Demo3. Grails Basics4. Grails Demo

Grails Basics● MVC Framework

○ Spring○ Hibernate○ SiteMesh

● Tomcat

Convention Over Configuration

● Full-Stack Consistency

● Intuitive Code Association

● Mapping Files

Model View Controller

● Model - GORM

● View - SiteMesh

● Controller - Spring

Grails Object Relational Mapper

● Hibernate

● Mappings

● Finders

Agenda

1. Groovy Basics2. Groovy Demo3. Grails Basics4. Grails Demo

Grails Demo

Agenda

1. Groovy Basics2. Groovy Demo3. Grails Basics4. Grails Demo

Conclusion

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