using System;

using System.Linq;

using System.Collections.Generic;

public class Employee

{

    public string name;

    public int age;

    public Employee(string name, int age)

    {

        this.name = name;

        this.age = age;

    }

    public override string ToString() {

        return "[" + name + "," + age + "]";

    }

}

​

public class Example

{

    public static void Main()

    {

        Employee john = new Employee("John", 24);

        Employee sam = new Employee("Sam", 27);

        Employee roger = new Employee("Roger", 21);

        List<Employee> employees = new List<Employee>() { john, sam, roger };

        // Sort the employees based on age

        Console.WriteLine(String.Join(Environment.NewLine, employees));

    }

}