//: Playground - noun: a place where people can play

import UIKit

//声明、定义数组

var numbers = [1, 2,216)">3,216)"> 5,216)">8]

var strings = ["ios","android","java"]

//数组长度

numbers.count

strings.count

//向数组中添加元素

//向数组中追加元素

numbers.append(13)

strings.append("javascript")

//直接向数组后面添加一个数组

numbers += [21,216)">34]

strings += ["jquery","C#"]

//使用index索引添加元素

numbers.insert(-0)

strings.insert("apple",216)">0)

//删除数组中得元素

numbers.removeAtIndex(0)

numbers

strings.removeAtIndex( strings

//删除数组中最后一个元素

numbers.removeLast()

strings.removeLast()

strings

//使用enumerate

for (index,item) in enumerate(numbers) {

println("\(index):\(item)")

}

for item in enumerate(strings) {

println("index:\(item.0),值:\(item.1)")

}

//创建数组

var nums = [Int]()

class Admin {

}

var student = [Admin]()

//创建指定大小数组

var num2 = [Int](count: 5,repeatedValue: 3)

//数组的赋值和拷贝行为

var num3 = [2,216)"> 3,216)">4,216)"> 5]

var num4 = num3

num3[1] = 100

num3

num4

//

var num5 = num3