Q. What is static class?

Ans. Static class can contain only static members, which are static methods, static fields, and static variable. The advantage of using a static class is that the Static classes are sealed and therefore cannot be inherited.It's memeber can be accessed throuh only class name

Example:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplicationstactic
{
    class Program
    {

        public static int C = 10; //Static variable

        public static double calres(int A, int B)  //Static method
        {
         
            return A * B;
        }
        static void Main(string[] args)
        {
            Double Area;

            Area = Program.calres(10, 5)+C;   //Static variable are called with class name

            Console.WriteLine("Result is={0}",Area);

            Console.Read();
        }
    }
}

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