Quiz · Inheritance and polymorphism · lesson 8 of 10

Quiz — new on an abstract class

What happens when this program is compiled and run?

JAVA

public class Main {
    public static void main(String[] args) {
        Shape s = new Shape();
        System.out.print(s.sides());
        System.out.print(s.area());
    }
}
abstract class Shape {
    int sides() { return 4; }
    abstract int area();
}