class Rectangle {
              private double width;
              private double height;
              
              // Constructor
              public Rectangle(double width, double height) {
              this.width = width;
              this.height = height;
              }
              
              // Method to calculate area
              public double calculateArea() {
              return width * height;
              }
              
              // Method to calculate perimeter
              public double calculatePerimeter() {
              return 2 * (width + height);
              }
              
              // Getter methods (optional)
              public double getWidth() {
              return width;
              }
              
              public double getHeight() {
              return height;
              }
              }
              
              public class pro3 {
              public static void main(String[] args) {
              // Creating a rectangle instance
              Rectangle rectangle = new Rectangle(5.0, 10.0);
              
              // Calculating area and perimeter
              double area = rectangle.calculateArea();
              double perimeter = rectangle.calculatePerimeter();
              
              // Printing the calculated values
              System.out.println("Rectangle Area: " + area);
              System.out.println("Rectangle Perimeter: " + perimeter);
              }
              }