3-02-2.kt

fun main(args: Array<String>) {
    val connectableObservable = listOf("String 1","String 2","String 3","String 4","String 5").toObservable()
            .publish()//1
    
    connectableObservable.
            subscribe { println("Subscription 1: $it") }//2
    
    connectableObservable.map(String::reversed)//3
            .subscribe { println("Subscription 2 $it")}//4
    
    connectableObservable.connect()//5

    connectableObservable.
            subscribe { println("Subscription 3: $it") } //6 구독을 받지못함
}