public class Person

{

    public string Name { get; set; }

    public int Age { get; set; }

    public Person(string name, int age)

    {

        Name = name;

        Age = age;

    }

}

class Program

{

    static void Main()

    {

        Person person1 = new Person("Leopold", 6);

        Console.WriteLine("person1 Name = {0} Age = {1}", person1.Name, person1.Age);

        // Declare new person, assign person1 to it.

        Person person2 = person1;

    // Change the name of person2, and person1 also changes.

        person2.Name = "Molly";

        person2.Age = 16;

        Console.WriteLine("person2 Name = {0} Age = {1}", person2.Name, person2.Age);

        Console.WriteLine("person1 Name = {0} Age = {1}", person1.Name, person1.Age);

    }

}

/*

    Output:

    person1 Name = Leopold Age = 6

    person2 Name = Molly Age = 16

    person1 Name = Molly Age = 16

*/

public struct Person

{

    public string Name;

    public int Age;

    public Person(string name, int age)

    {

        Name = name;

        Age = age;

    }

}

public class Application

{

    static void Main()

    {

   // Create  struct instance and initialize by using "new".

   // Memory is allocated on thread stack.

        Person p1 = new Person("Alex", 9);

        Console.WriteLine("p1 Name = {0} Age = {1}", p1.Name, p1.Age);

//Create new struct object.Note that struct can be initialized without using "new".

        Person p2 = p1;

        // Assign values to p2 members.

        p2.Name = "Spencer";

        p2.Age = 7;

        Console.WriteLine("p2 Name = {0} Age = {1}", p2.Name, p2.Age);

        // p1 values remain unchanged because p2 is  copy.

        Console.WriteLine("p1 Name = {0} Age = {1}", p1.Name, p1.Age);

    }

}

/*

    Output:

    p1 Name = Alex Age = 9

    p2 Name = Spencer Age = 7

    p1 Name = Alex Age = 9

*/