What is the scope of an internal variable of a class in C#?

Internal variable is set using the internal access specifier.

internal double length;
internal double width;

Any member with internal access specifier can be accessed from any class or method defined within the application in which the member is defined.

Example

 Live Demo

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();
      }
   }
}

Output

Length: 4.5
Width: 3.5
Area: 15.75

Samual Sam

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Updated on: 23-Jun-2020

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