using System;

​

public class Person

{

    // fields //this class person is described by one field and that is name

    public string Name;

    // Constructor that takes no arguments:

    public Person() //whenever someone creates an instance of that class we will just use unknown for that field

    { 

        Name = "unknown";

    }

​

    // Constructor that takes one argument:

    public Person(string name)

    {

        Name = name;  //if someone provides us with a name, a string, we will set it to the field 

    }

    public static void Main()

    {

        // Call the constructor that has no parameters.

        Person person1 = new Person(); //call the constructor and create an object called person , and the other side tells you which constructor to call

        Console.WriteLine(person1.Name); //READ ACCESS

        person1.Name = "Another name"; // EDIT ACCESS access a field directly

        Console.WriteLine(person1.Name);

​

​

        // Call the constructor that has one parameter.

        var person2 = new Person("Sarah Jones"); //var is a general type of class that allows me to put anything i want inside 

        Console.WriteLine(person2.Name);

        // Get the string representation of the person2 instance.

        Console.WriteLine(person2); //without the field name, it will just print out the class

    }

​

}

​

// Output:

// unknown

// Sarah Jones

// Sarah Jones