using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        int newValue = 10;

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

        dictionary.Add("key", 10);

        if (dictionary.ContainsKey("key")){

            dictionary["key"] = dictionary["key"] + newValue;

        }

        foreach (var key in dictionary){

        Console.WriteLine(key.Value);

        }

        return;

        var MethodSyntax = Student.GetStudents().SelectMany(std => std.Programming, (student, program) => new

        {

        StudentName = student.Name, ProgramName = program

        }).ToList();

        //Using Query Syntax

        var QuerySyntax = (

            from std in Student.GetStudents()from program in std.Programming

            select new

            {

            StudentName = std.Name, ProgramName = program

            }

​

        ).ToList();

        //Printing the values

        foreach (var item in QuerySyntax)

        {

            Console.WriteLine(item.StudentName + " => " + item.ProgramName);

        }

    //Console.ReadKey();

    }

​

    public class Student

    {

        public int ID { get; set; }

​

        public string Name { get; set; }

​

        public string Email { get; set; }

​

        public List<string> Programming { get; set; }

​

        public static List<Student> GetStudents()

        {

            return new List<Student>()

            {new Student()

            {ID = 1, Name = "James", Email = "James@j.com", Programming = new List<string>()

            {"C#", "Jave", "C++"}}, new Student()

            {ID = 2, Name = "Sam", Email = "Sara@j.com", Programming = new List<string>()

            {"WCF", "SQL Server", "C#"}}, new Student()

            {ID = 3, Name = "Patrik", Email = "Patrik@j.com", Programming = new List<string>()

            {"MVC", "Jave", "LINQ"}}, new Student()

            {ID = 4, Name = "Sara", Email = "Sara@j.com", Programming = new List<string>()

            {"ADO.NET", "C#", "LINQ"}}};

        }

    }

}