#!/usr/bin/env groovy
println "Hello from the shebang line"

// ## LISTS

// default = ArrayList
def arrayList = [1, 2, 3]
assert arrayList instanceof java.util.ArrayList

// linkedList
def linkedList = [2, 3, 4] as LinkedList
assert linkedList instanceof java.util.LinkedList

LinkedList otherLinked = [3, 4, 5]
assert otherLinked instanceof java.util.LinkedList

def letters = ['a', 'b', 'c', 'd']

assert letters[0] == 'a'
assert letters[1] == 'b'

// access the last element of the list with a negative index: -1
assert letters[-1] == 'd'
assert letters[-2] == 'c'

letters[2] = 'C'
assert letters[2] == 'C'

// use the << leftShift operator to append an element at the end of the list
letters << 'e'
assert letters[ 4] == 'e'
assert letters[-1] == 'e'

// access two elements at once, returning a new list containing those two elements
assert letters[1, 3] == ['b', 'd']

// Use a range to access a range of values from the list, from a start to an end element position
assert letters[2..4] == ['C', 'd', 'e']

// multi-dimensional list
def multi = [[0, 1], [2, 3]]
assert multi[1][0] == 2

// ## ARRAYS

String[] arrStr = ['Ananas', 'Banana', 'Kiwi']
def numArr = [1, 2, 3] as int[]

// ## MAPS

def colors = [red: '#FF0000', green: '#00FF00', blue: '#0000FF']

assert colors['red'] == '#FF0000'
assert colors.green  == '#00FF00'

colors['pink'] = '#FF00FF'
colors.yellow  = '#FFFF00'

assert colors.pink == '#FF00FF'
assert colors['yellow'] == '#FFFF00'

assert colors instanceof java.util.LinkedHashMap