Question

simple c#program to get student details including name roll no, and also to calculate the average total,display in table and also give grades using call by value method

Answer 1

usingSystem; classProgram{     class Subject    {        private intmark;        private stringname;         publicSubject(string name, intmark)         {            this.name= name;            this.mark= mark;        }         public intGetMark()        {            returnmark;        }         public voidPrintSubject()        {            Console.WriteLine("|{0, -10} | {1, 10} |", name,mark);        }    }     // Student details    static stringname;    static int no;    static Subject[]subjects = newSubject[5];    static intnumOfSub = 0;      //By value method    public static voidAddSubject(string name,intmark)    {        subjects[numOfSub] = newSubject(name,mark);        numOfSub++;    }     public static floatAverage()     {        intsum = 0;        for (int i = 0; i <numOfSub; i++)        {            sum =sum + subjects[i].GetMark();        }         return (float)sum / numOfSub;    }     public static voidDisplay()    {        Console.WriteLine("---------------------------");        Console.WriteLine("|Student {0, -7} no. {1, 3} |",name, no);        for (int i = 0; i <numOfSub; i++)        {            Console.WriteLine("---------------------------");            subjects[i].PrintSubject();        }        Console.WriteLine("---------------------------");        Console.WriteLine("|Average:         {0, 6} |",Average());        Console.WriteLine("---------------------------");         }     public static voidMain()    {               Console.Write("Enteryour name: ");        name =Console.ReadLine();         Console.Write("Enterroll no: ");        no = int.Parse(Console.ReadLine());         // The subjects arereaded.        stringsubjectName;        intsubjectMark;         Console.Write("Entersubject name: ");        subjectName =Console.ReadLine();        Console.Write("Entersubject mark: ");        subjectMark = int.Parse(Console.ReadLine());         AddSubject(subjectName,subjectMark);         Console.Write("Entersubject name: ");        subjectName =Console.ReadLine();        Console.Write("Entersubject mark: ");        subjectMark = int.Parse(Console.ReadLine());         AddSubject(subjectName,subjectMark);                 Display();             }}