using System;

​

public class Program

{

    public static void Main()

    {

        Student student1 = new Student(2018181818, "Piet");

        Console.Write(student1.GetStudentNumber() + "\t");

        Console.WriteLine(student1.GetName());

        Student student2 = new Student();

        student2.setStudentNumber(2018010101);

        student2.setName("Jan");

        Console.Write(student2.GetStudentNumber() + "\t");

        Console.WriteLine(student2.GetName());

    }

}

​

public class Student

{

    //fields

    private long studentNumber;

    public string studentName;

    //Default Constructor

    public Student()

    {

    }

​

    //nonDefault Constructors

    public Student(long uStudentNumber, string uStudentName)

    {

        studentNumber = uStudentNumber;

        studentName = uStudentName;

    }

​

    //Accesors

    public long GetStudentNumber()

    {

        return studentNumber;

    }

​

    public string GetName()

    {

        return studentName;

    }

​

    //mutators

    public void setStudentNumber(long pStudentNumber)

    {

        studentNumber = pStudentNumber;

    }

​

    public void setName(string pStudentName)

    {

        studentName = pStudentName;

    }

}