using System;

​

public class MyProgram

{

    public static void Main(String[] args)

    {

        // Roland Goetzmann 

        // 09/19/2017 

        // CPT230

        int grade;

        String classification;

        classification = "";

        Console.WriteLine(" Please enter a grade from 9 to 12 ");

        input(out grade);

        switch(grade)

        {

        case 9:

        classification = "freshman";

        break;

        case 10:

        classification = "sophomore";

        break;

        case 11:

        classification = "junior";

        break;

        case 12:

        classification = "senior";

        break;

        }   

        Console.WriteLine("Student is a {0}.", classification);

    }

    // .NET can only read single characters or entire lines from the console.

    // The following functions are designed to help input specific data types.

    private static void input(out double result)

    {

        while (!double.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out int result)

    {

        while (!int.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out Boolean result)

    {

        while (!Boolean.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out string result)

    {

        result = Console.ReadLine();

    }

}

​

​