group by, C# - rextester

group by

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var users = new List<User>()    
            {     new User { Name = "Kwesu", Age = 19, HomeCountry = "Ghana" },    
                new User { Name = "park", Age = 19, HomeCountry = "America" }, 
                new User { Name = "John Doe", Age = 42, HomeCountry = "USA" },    
                new User { Name = "Jane Doe", Age = 38, HomeCountry = "USA" },    
                new User { Name = "Joe Doe", Age = 19, HomeCountry = "Germany" },    
                new User { Name = "Jenna Doe", Age = 19, HomeCountry = "Germany" },    
                new User { Name = "James Doe", Age = 8, HomeCountry = "USA" },
         new User { Name = "mark", Age = 19, HomeCountry = "America" }, 
            };    
            var usersGroupedByCountry = users.GroupBy(user => user.HomeCountry);    
            foreach(var group in usersGroupedByCountry)    
            {    
                Console.WriteLine("Users from " + group.Key + ":");    
                foreach(var user in group)    
                    Console.WriteLine("* " + user.Name);
            }   
        }
        
         public class User    
        {    
            public string Name { get; set; }

public int Age { get; set; }

public string HomeCountry { get; set; }    
        }    
    }
}


run \| edit \| history \| help	0