Question

Create a C# application for SummerSchool that reads the file Participants.
participant's data on the screen. Create a Participant class that contains field
first name, last name, age, and course taken for the summer school and To
fields of records in the file are separated with semicolon (). 3 marks)

E.g. of a record in the file Participant.txt:
123,John,Smith35:Math

using System;
using static System. Console;
using System. I0;
class SummerSchool

static void Main()

/7Your code as answer

Answer 1

Short Summary:

• Created participant and summerschool class as requested using C# - Console application.
• SummerSchool reads the input text file content and creates new participants object for each line and stores in a generic list
• Finally, iterates through the list and prints the participants on console application
• When you use absolute path, place the Input file at project output directory. Else, modify the INPUT_FILE constant to full file path.

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Source Code:

Participant.cs File:

namespace SummerSchoolDemo

{

    class Participant

    {

        private int id;

        private string firstName;

        private string lastName;

        private int age;

        private string course;

        /// <summary>

        /// Constructor

        /// </summary>

        /// <param name="id"></param>

        /// <param name="firstName"></param>

        /// <param name="lastName"></param>

        /// <param name="age"></param>

        /// <param name="course"></param>

        public Participant(int id, string firstName, string lastName, int age, string course)

        {

            this.id = id;

            this.firstName = firstName;

            this.lastName = lastName;

            this.age = age;

            this.course = course;

        }

        /// <summary>

        /// ToString override

        /// </summary>

        /// <returns>Participants details with semicolon separated</returns>

        public override string ToString()

        {

            return this.id + ";" + this.firstName + ";" + this.lastName + ";" + this.age + ";" + this.course;

        }

    }

}

SummerSchool.cs File:

using System;

using System.Collections.Generic;

using System.IO;

namespace SummerSchoolDemo

{

    class SummerSchool

    {

        const string INPUT_FILE = "Input.txt";

        static void Main(string[] args)

        {

            // List to store all the participants

            List<Participant> participants = new List<Participant>();

            try

            {

                // use StreamReader to read the file

                StreamReader file = new StreamReader(INPUT_FILE);

                string line;

                // Read line by line till last line

                while ((line = file.ReadLine()) != null)

                {

                    // Split the line by ;

                    string[] tokens = line.Split(';');

                    if(tokens.Length == 5)

                    {

                        int id;

                        int.TryParse(tokens[0], out id);

                        string firstname = tokens[1];

                        string lastname = tokens[2];

                        int age;

                        int.TryParse(tokens[3], out age);

                        string course = tokens[4];

                        //Create new participant object and add it to list

                        participants.Add(new Participant(id, firstname, lastname, age, course));

                    }

                }

                // close the file after reading

                file.Close();

                // Go through the list and display the participants on console

                foreach(Participant p in participants)

                {

                    Console.WriteLine(p.ToString());

                }

            }

            catch(Exception e)

            {

                // Display the exception occured

                Console.WriteLine("File Read Error: " + e.Message);

            }

            Console.ReadKey();

        }

    }

}

Sample Run:

Input file:

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