import java.util.Scanner;

public class Lab3Exercise {

    public static void main(String[] args) {
        System.out.print(
                "Please select from the following menu:\n"
                + "1. Rectangle Properties\n"
                + "2. Circle Properties\n"
                + "3. Exit\n"
                + "Selection: "
        );
        Scanner scanIn = new Scanner(System.in);
        int selection = scanIn.nextInt();
        switch (selection) {
            case 1:
                System.out.print("Input the width of the rectangle: ");
                int width = scanIn.nextInt();
                System.out.print("Input the height of the rectangle: ");
                int height = scanIn.nextInt();
                System.out.println("The area of the rectangle is " + rectangle(width, height));
                break;
            case 2:
                System.out.print("Input the radius of the circle: ");
                int radius = scanIn.nextInt();
                System.out.println("The area of the circle is " + circle(radius));
                break;
        }
    }

    private static double circle(int i) {
        return (double) i * i * 22 / 7;
    }

    private static int rectangle(int w, int h) {
        return w * h;
    }
}