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C# Basic Syntax

using System;

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

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