Kotlin學習
var a1: Int //設定預設值會自動推導型態
var a2 = 1 //只宣告型態但不預設值
var a3: Int = 1 //同時設定型態和預設值var s1 = "abc"
print("name is $s1")var i1 = 1
var i2 = 2
print("sum is ${i1 + i2}")var iArray = intArrayOf(1, 2, 3)
var fArray = floatArrayOf(1.0f, 2.0f, 3.0f)
var bArray = booleanArrayOf(true, false, true)
var cArray = charArrayOf('a', 'b', 'c')條件判斷
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