Kotlin基础 3

具名参数

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变长参数

<注释：其实也就是多参数,类似java的 String…params>

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Spread Operator

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默认参数

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fun main(args: Array<String>) {    hello(0.5,1,2,3,4,name = "5")    //or 或者这么写 * 号表示把参数展开    var array = intArrayOf(1,2,3,5)    hello(list = *array,name = "张三")    //默认参数 类似 c    hello(2.5,*array,name = "逗比")}fun hello(double: Double = 3.0 ,vararg list: Int, name: String) {    list.forEach(::println)}