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C# program to demonstrate the example of SelectMany() method in LINQ

//C# program to demonstrate the 
//SelectMany() method in Linq.

using System;
using System.Collections.Generic;
using System.Linq;

public class Employee
{
    public int ID;
    public string Name;
    public List<string> Skills;

    public static List<Employee> GetEmpDetails()
    {
        return new List<Employee>()
        {
            new Employee(){ID = 101, Name = "Amit",  Skills = new List<string>() { "C", "C++", "DS"} },
            new Employee(){ID = 102, Name = "Sumit",    Skills = new List<string>() { "C#", "VB" }},
            new Employee(){ID = 103, Name = "Patriq", Skills = new List<string>() { "JAVA","JSP","Servlet"} },
            new Employee(){ID = 104, Name = "Arun",   Skills = new List<string>() { "ADO.NET", "OLEDB", "ODBC" } }
        };
    }

    static void Main(string[] args)
    {
        List<string> skill_list = Employee.GetEmpDetails().SelectMany(emp => emp.Skills).ToList();
        
        foreach (string skill in skill_list)
        {
            Console.Write(skill+" ");
        }
        Console.WriteLine();
    }
}

Output

C C++ DS C# VB JAVA JSP Servlet ADO.NET OLEDB ODBC
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