public class Rectangle {
    private double length;
    private double width;

    public Rectangle(double length, double width) {
        this.length = length;
        this.width = width;
    }

    public double getLength() {
        return length;
    }

    public double getWidth() {
        return width;
    }

    public double calculatePerimeter() {
        return 2 * (length + width);
    }

    public double calculateArea() {
        return length * width;
    }

    public static void main(String[] args) {
        Rectangle rectangle = new Rectangle(5, 3);
        System.out.println("Length: " + rectangle.getLength());
        System.out.println("Width: " + rectangle.getWidth());
        System.out.println("Perimeter: " + rectangle.calculatePerimeter());
        System.out.println("Area: " + rectangle.calculateArea());
    }
}