Abstract and Concrete Methods: Shape class

In this problem, you will create a program that implements the describe method in a Circle class extending abstract class Shape, and displays the shape description to standard output.

Learning Objective

Learn the difference between abstract method implementation and concrete methods.

Problem

Implement the describe method in Circle class that extends abstract class Shape.

Input

Line 1: Radius (integer)

Output

This is a shape.
This is a circle with radius [radius].