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fun main(args : Array<String>){
var 오브젝트1 = baseClass();
오브젝트1.func1();
var 오브젝트2 = childClass();
오브젝트2.func1();
오브젝트2.func2();
오브젝트2.func2("문자열 파라메터");
오브젝트2.func2("문자열 파라메터", 100);
}
open class baseClass{
// 상속받은 클래스에서 오버라이드하려면 선조클래스에서 open으로 정의.
open var name = "base";
open fun func1() = println(this.toString());
// 외부사용금지 .찍고 메소드 사용못함.
private fun onlyMyFunc() = println("클래스내부에서만 사용");
constructor(){
onlyMyFunc();
}
}
class childClass : baseClass(){
override var name = "";
override fun func1() = println(this.toString() + " 재정의함.");
fun func2() = println("func2");
// overloding
fun func2(s : String ) = println("func2:$s ");
fun func2(s : String, num : Int ) = println("func2: $s, $num ");
}
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