ProgBasics02Simple-Operations-Y03-2DrectangleArea

import java.util.Scanner;

public class Y012DRectangleArea {
    public static void main(String[] args)
    {
        Scanner scanner = new Scanner(System.in);
        double x1 = Double.parseDouble(scanner.nextLine());
        double y1 = Double.parseDouble(scanner.nextLine());
        double x2 = Double.parseDouble(scanner.nextLine());
        double y2 = Double.parseDouble(scanner.nextLine());
        double c1 = Math.abs(x1 - x2);
        double c2 = Math.abs(y1 - y2);
        double area = c1*c2;
        double perimeter = (2*c1)+(2*c2);
        System.out.println(area);
        System.out.println(perimeter);
    }
}