محاسبه مساحت و محیط مستطیل در جاوا

package project22day;

import java.util.Scanner;

public class Tamrin4 {

   public static void rectangleArea(double l, double w) {
       double area = l * w;
       System.out.println("Area: " + area);
   }

   public static void rectangleEnvironment(double l, double w) {
       double environment = 2 * (l + w);
       System.out.println("Environment: " + environment);
   }

   public static void main(String[] args) {
       Scanner in = new Scanner(System.in);
       System.out.println("Enter the width of the rectangle");
       double width = in.nextDouble();
       System.out.println("Enter the length of the rectangle");
       double length = in.nextDouble();
       rectangleArea(length, width);
       rectangleEnvironment(length, width);

   }

}

Enter the width of the rectangle
2
Enter the length of the rectangle
4
Area: 8.0
Environment: 12.0