Online C# Compiler

using System; namespace RectangleApplication { class Rectangle { //member variables internal double length; internal double width; double GetArea() { return length * width; } public void Display() { Console.WriteLine("Length: {0}", length); Console.WriteLine("Width: {0}", width); Console.WriteLine("Area: {0}", GetArea()); } }//end class Rectangle class ExecuteRectangle { static void Main(string[] args) { Rectangle r = new Rectangle(); r.length = 4.5; r.width = 3.5; r.Display(); Console.ReadLine(); } } }