using System;

​

public class Student

{

    //declare variables

    private string stuName;

    private int stuMarks;

    private string stuGrade;

​

    //declare method to determine the grade based on stuMarks

    public void Grade()

    {

        if (stuMarks >= 80)

        {

            stuGrade ="Excellent";

        }

        else if (stuMarks >= 40)

        {

            stuGrade ="Pass";;

        }

        else

        {

            stuGrade ="Failed";

        }

    }

​

​

    //declare contructor

    public Student(string x, int y)

    {

        stuName = x;

        stuMarks = y;

    }

    /*---------------------------------------*/

​

    public string StuName

    {

        get //get property / get accessor (for read-only)

        {

            return stuName;

        }

        set

        {

            stuName = value;

        }

    }

​

    public int StuMarks

    {

        get //get property / get accessor (for read-only)

        {

            return stuMarks;

        }

        set

        {

            stuMarks = value;

        }

    }

​

    public string StuGrade

    {

        get //get property / get accessor (for read-only)

        {

            return stuGrade;

        }

        set

        {

            stuGrade = value;

        }

    }

}

​

public class Program

{

    public static void Main()

    {

        Student student1 = new Student("John",40);

        student1.Grade();

        Console.WriteLine("Student Name: " + student1.StuName);

        Console.WriteLine("Student Marks: " + student1.StuMarks);

        Console.WriteLine("Student Grade: " + student1.StuGrade);

    }

}