Main3.java

public class Main3{

    Main3(){
        System.out.println("Unknown");
    }
    Main3(String Name){

        System.out.println(Name);

    }


    public static void main(String[] args) {

        Main3 obj = new Main3();
        Main3 obj2 = new Main3("Arjun Tiwari");

    }

}