What is the output of the following Java program?
abstract class A {
private String my_name = null;
public String myName(){
my_name = "test";
return my_name;
}
abstract void display();
}
public class Main extends A {
void display (){
String n = myName();
System.out println(n);
public static void main(String args[]) {
A obj = new Main();
obj.display();
}
}
A. test
B. Runtime error
C. null
D. None of the others
