Syntax error How to prove that only one instance of the object is created for static class?

How to prove that only one instance of the object is created for static class?

Here in the example a static Demo class is created and a static variable count is declared.

Here the count variable is treated as a global variable .so it keeps on increasing in the example ,because only one instance of the class is created

Example

static class Demo{
   public static int count;
   static Demo(){
      System.Console.WriteLine("Static Constuctor called");
   }
}
class Program{
   static void Main(){
      Demo.count++;
      Demo.count++;
      System.Console.WriteLine(Demo.count);
      Console.ReadKey();
   }
}

Output

Static Constuctor called
2
Updated on: 2020-08-04T07:01:58+05:30

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