Joxebus

def name = '"Desveloper"'
def map = [:]                               // java.util.LinkedHashMap

def elements = [1,                          // java.lang.Integer
            11111111111,                    // java.lang.Long
            11111111111111111111,           // java.math.BigInteger
            0.1,                            // java.math.BigDecimal
            0..5,                           // groovy.lang.IntRange
            'x'..'p',                       // groovy.lang.ObjectRange
            "Normal String",                // java.lang.String

Joxebus

def method = request.method

if (!session) {
    session = request.getSession(true)
}

if (!session.groovlet) { // Podemos tener variables guardadas en session
    session.groovlet = 'Groovlets rock!'
}

Joxebus

File file = new File('your-dir-here')

def fileNames = []

file.eachFile {
  if(it.isFile()) {
      fileNames << it.name
  }
}

Joxebus

# ~/.ssh/config
# For any configuration different than defined hosts
Host *
 IdentityFile ~/.ssh/id_rsa
 User obautista

# Github
Host github.com
 HostName github.com
 User git

Joxebus

List months = ["Enero", "Febrero", "Marzo", "Abril", "Mayo", "Junio", 
                "Julio", "Agosto", "Septiembre", "Octubre", "Noviembre", "Diciembre"]
def today = Date.parse("dd-MM-yyyy", "3-11-2020")
def clonedDate = today.clone()
def yesterday = today - 1
def tomorrow = today + 1

clonedDate++

assert clonedDate == tomorrow

Joxebus

Closure square = { num ->
  num * num
}

Closure pow = { num, index ->
  num.power(index)
}

List numbers = [2,5,20,10]

Joxebus

@Grab(group = "org.reflections", module = "reflections", version = "0.9.11")
@Grab(group = "org.slf4j", module = "slf4j-simple", version = "1.7.25")

import groovy.json.JsonOutput
import org.codehaus.groovy.reflection.GeneratedMetaMethod
import org.reflections.Reflections

def reflections = new Reflections("org.codehaus.groovy.runtime")

def json = reflections.getSubTypesOf(GeneratedMetaMethod).collect {

Joxebus

import groovy.transform.ToString

@ToString
class Person {
   String name
   String lastname
   int age
}

def person = new Person(name:'Omar', lastname:'Bautista', age:33)

Joxebus

import groovy.util.XmlSlurper

String xml = '''
<people>
   <person age='33'>
     <name>Omar</name>
   </person>
   <person age='30'>
     <name>Maria</name>
   </person>

Joxebus

import groovy.json.JsonSlurper

String json = '{ "name" : "Omar", "lastname": "Bautista", "age" : 33 }'

def object = new JsonSlurper().parseText(json)

assert object instanceof Map
assert object.name == 'Omar'