Задача решена. Утвердите правильность понимания пожалуйста!

public class Test {

    public static void main(String[] args) {
        A a = new A();
        a.doWork();
        System.out.println("============");
        B b = new B();
        b.doWork();
    }

    public static class A {
        public A() {
            System.out.println("Creating A");
        }

        protected void doWork() {
            System.out.println("In A Class");
        }
    }

    public static class B extends A {

        public B() {
            System.out.println("Creating B");
        }

        @Override
        protected void doWork() {
            System.out.println("In B class");
        }
    }
}

Creating A
In A Class
============
Creating A
Creating B
In B class