C# Class implementation | C# Class Sample Program

Program

using System;

namespace ClassRoomSamples

{

    class Demo15ClassExample

    {

        class trainee

        {

            //Private fileds (Also called as instance variables)

            int _traineeID;

            string _traineeName;

            int _traineeScore;

            string _traineeResult;

            //public Methods

            public void getDetails(int traineeID, string traineeName,int                                                              traineeScore)

            {

                //Here thease traineeID, traineeName, traineeScore are                                          called as local variables

                _traineeID = traineeID;

                _traineeName = traineeName;

                _traineeScore = traineeScore;

                if (_traineeScore >= 7)

                    _traineeResult = " Selected";

                else

                    _traineeResult = " Not Selected";

            }

            public void disDetails()

            {

                Console.WriteLine("{0,-10}{1,-20}{2,8}{3,-15}",                             _traineeID, _traineeName, _traineeScore, _traineeResult);

            }

        };

        static void Main(String[] anyName)

        {

            //Only array of references of trainee type 

            //will be created here not actual objects..

            trainee[] t = new trainee[3];  

            for (int i = 0; i < 3; i++)

            {

                //Actual objects will be created here based on demand

                t[i] = new trainee();

                Console.WriteLine("Enter Trainee ID");

                int traineeID = int.Parse(Console.ReadLine());

                Console.WriteLine("Enter Name of the trainee");

                string traineeName = Console.ReadLine();

                Console.WriteLine("Enter Assessment score");

                int traineeScore = int.Parse(Console.ReadLine());

                t[i].getDetails(traineeID,traineeName,traineeScore);

            }

            Console.WriteLine("==============================");

            Console.WriteLine("{0,-10}{1,-20}{2,8}{3,-15}",  

                                        "ID","Name","Score"," Result");

            Console.WriteLine("===============================");

            for (int i = 0; i < 3; i++)

            {

                t[i].disDetails();

            }

            Console.ReadKey();

        }

    }

}

Output

Enter Trainee ID
802351
Enter Name of the trainee
Shalini
Enter Assessment score
8

Enter Trainee ID
802352
Enter Name of the trainee
Neha Yadav
Enter Assessment score
7

Enter Trainee ID
802353
Enter Name of the trainee
Rajesh
Enter Assessment score
6

===================================================
ID        Name             Score  Result
===================================================
802351    Shalini               8 Selected
802352    Neha Yadav            7 Selected
802353    Rajesh                6 Not Selected