import java.util.Scanner;

public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        String choice;
        do {
            System.out.println("\n" + "Chose a shape or type exit to quit the program");
            System.out.println("What geometric shape do you want to use?");

            choice = input.next();
            if (choice.equals("circle")) {
                Circle circle = new Circle();

            } else if (choice.equals("rectangle")) {
                Rectangle rectangle = new Rectangle();
            }
            else {
                System.out.println("\n" + "Invalid choice.");
            }

        } while (!choice.equals("exit"));
        input.close();

    }
}