var shortVariable: Short =, 1 println (shortVariable),,,,,,,,,,,,,,,,//1
var minShort:, Short =, -32768,,,,,,,,,//小于这个值都会报错,需要使用更大范围的类型来存储//var minShort:, Short =, -32769,,,,,,,,//错误 var maxShort:, Short =, 32767,,,,,,,,,,//大于这个值都会报错,需要使用更大范围的类型来存储//var maxShort:, Short =, 32768,,,,,,,,,//误差
var intVariable: Int =1 println (intVariable),,,,,,,,,,,,,,,//1
var minInt:, Int =, -2147483648,,,,,,,,//小于这个值都会报错,需要使用更大范围的类型来存储//var minInt:, Int =, -2147483649,,,,,,,//错误 var maxInt:, Int =, 2147483647,,,,,,,,,//大于这个值都会报错,需要使用更大范围的类型来存储//var maxInt:, Int =, 2147483648,,,,,,,,//误差
var longVariable: Long =, 1 l println (longVariable),,,,,,,,,,,,,,,,//1
var doubleVariable: Double 1.0=, println (doubleVariable),,,,,,,,,,,,,,,//1.0
var floatVariable: Float 1.0=, f println (floatVariable),,,,,,,,,,,,,,//1.0
var byteVariable: Byte =, 127 println (byteVariable),,,,,,,,,,,,,,//127
var charVariable:, Char =, ' C ' println (charVariable),,,,,,,,,,,,,,//C
var booleanVariable: Boolean =, true println (booleanVariable),,,,,,,,,,,,,//真正的
var 答:Byte =, 1//var b: Int =, a ,,,,,,,,,,,,,//错误。较小的类型是不能隐式转换成较大的类型//使用toInt()函数转换成Int类型 var b: Int =, a.toInt(),,,,,,,,,,,//好
var var1:, Short =, b.toShort () var var2:, Long =, b.toLong () 叫做var3,属于数字类型var , Double =, b.toDouble () var var4:, Float =, b.toFloat () var var5:, Char =, b.toChar ()
var str:, String =,”却;能够is a str” println (str),,,,,,,,,,,,,,,,,,//却;能够is a str
var 结果:,String =,”字符串”,+,str +,“第5个字符是:”,+,str [5] println(结果),,,,,,,,,,,,,,,,//我
为(s str拷贝) null null null null null null null芬兰湾的科特林基本类型