2. Array

//: Playground - noun: a place where people can play
 
import UIKit
 
//mutable array
var comment:Array<String>= []
var comment2:[String] = []
 
comment2.append("Anna")
comment2.append("Alex")
 
var comment3 = ["Anna","Alex","Brian","Jack"]
 
comment3 += ["Song"]
comment3 += ["jin"]
comment3 += ["Kim"]
 
print(comment3[1])
 
comment3[1] = "Tim"
 
comment3[2...4] = ["Free","Style"]
 
print(comment3)
 
 
 
//immutable array
let comment4 = ["Anna","Alex","Brian","Jack"]
//comment4 += "Song"
 
//var someInts = [Int]()
 
//print("someInts is of type [int[ with \(someInts.count) iteems.")

배열 풀 닉네임으로 선언을 했을 경우는 변수명 뒤에 :Array[Element]를 써주면 된다

Written in full as : var 변수명:Array<Element>

짧게 배열을 선언 할려면 변수명 뒤에:[Element] 타입을 사용하면 된다.

shorthand [Element]

var 변수명 = [Element]