Dictionary- with a simple program

 It’s used to create a collection with pair of “Key” & “Value”

Ex:

• Key             Values
• Maths         70
• Phy             80
• Chm            65

Path: System.Collections.Generic.Dictionary;

Program:

using System;

using System.Collections.Generic;

namespace Dictionary

{

    class Program

    {

        static void Main(string[] args)

        {

            Dictionary<string, int> Marks = new Dictionary<string, int>();

          

            Marks.Add("Maths",70);

            Marks.Add("Phy",79);

            Marks.Add("Chem",90);

            int m = Marks["Chem"];

            Console.WriteLine(m);   //OUTPUT: 90

            Console.ReadKey();

        }

    }

}