Introducción a Groovy

Introducción a http://twitter.com/highwayman [email_address] http://linkd.in/davidsantamaria por David Santamaria

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

¿Qué es Groovy? ,[object Object],[object Object]

¿Qué mas es Groovy? ,[object Object],[object Object]

¿Qué es Groovy? (para los developers) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

¿Por que Groovy? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Goodies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HelloWorld.java ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],; opcionales!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],public por defecto!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],getters and setters autogenerados!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],return opcional!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Tipado Dinamico!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GStrings!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Declaracion de clases opcional para Scripts!

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Parentesis opcionales en la mayoria de casos.

HelloWorld.groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Comenzamos! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Comenzamos! (II) ,[object Object],[object Object],[object Object]

Lenguaje: Strings and GStrings. ,[object Object],[object Object],[object Object]

Lenguaje: Strings and GStrings. ,[object Object],[object Object],http://groovy.codehaus.org/Strings+and+GString http://groovy.codehaus.org/JN1525-Strings

Lenguaje: Numbers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lenguaje: Collections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],def map = [ nombre: "David" , edad: 30 ] map . valor map [ "valor" ] def list = [ "primero" , "segundo" ] list << "tercero" Syntaxis Nativa en colecciones: Java: Groovy:

Lenguaje: Bucles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],list . each { println it } l . upto 5 ,{ println it } Java: Groovy:

Lenguaje: GDK ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],new File ( file . txt ). echLine { String line -> println line } Java: Groovy:

Lenguaje: Closures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Definición de Closures

Lenguaje: Closures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Iteración en Closures

Lenguaje: GDK ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lenguaje: MarkupBuilder ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],<html> <head> <title> Hola </title> </head> <body> <ul> <li> Mundo 1 </li> <li> Mundo 2 </li> <li> Mundo 3 </li> <li> Mundo 4 </li> <li> Mundo 5 </li> </ul> </body> </html>

Mas Groovy ,[object Object],[object Object],[object Object],[object Object]

Introducción a Groovy

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