mutable.kt

class MutableObj { 
    var value = "" 
 
    override fun toString(): String { 
        return "MutableObj(value='$value')" 
    } 
} 
 
fun main() { 
    val mutableObj:MutableObj = MutableObj()//(1) 
    println("MutableObj $mutableObj") 
    mutableObj.value = "Changed"//(2) 
    println("MutableObj $mutableObj") 
 
    val list = mutableListOf("a","b","c","d","e")//(3) 
    println(list) 
    list.add("f")//(4) 
    println(list) 
}