Question

How to use generic class that accept only type class in C#

Answer 1

using System;

class Generic<T> where T: class
{
  public T gVariable {
    get;
    set;
  }
}

class Program
{
  static void Main(string[] args)
  {
    // Generic<int> g = new Generic<int>();
    // int is a value type
    // error CS0452: The type `int' must be a reference type 
 
    Generic<string> g = new Generic<string>();

    g.gVariable = "c#";

    Console.WriteLine(g.gVariable);
  }
}



/*
run:

c#

*/

 

70+ SQL courses for beginners and professionals