C 1 Base Class Create a class with these fields id int prot

C#

1.

Base Class

Create a class with these fields:

id - int, protected

name - string, protected

---

Properties

ID - get

Name - get, protected set

---

Methods:

virtual Print method

-When this method is called it prints the id and name on the same line with a tab between them.

---

Main

Create an object of your type.

Use the get on ID & Name.

Verify the set on ID & Name are invalid.

Call the Print method.

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C#

2.

Student Class

Create a student class that inherits from your base class.

Fields:

gpa - double

firstAttended - DateTime

---

Add properties for the gpa & firstAttended fields

---

Constructor that takes an id and name and sets the base fields.

Override the Print method to print id, name, gpa and first attended.

---

Main

Create a student object.

Use the set/get on ID & Name, GPA & FirstAttended as applies.

Call the Print method.

Solution

//Person.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace InheritanceApplication
{
    class Person
    {
        protected int _id;
        protected String _name;

        public Person()
        {
            _id = 0;
            _name = \"\";
        }

        public Person(int id,String name)
        {
            this._id = id;
            this._name = name;
        }

        //ID property
        public int ID
        {
            get
            {
                return _id;
            }
        }

        //Name property
        protected String Name
        {
            set
            {
                _name = value;
            }
            get
            {
                return _name;
            }
        }

        //Override print method
        public virtual void print()
        {
            Console.WriteLine(\"id : {0} \\tName : {1}\", _id, _name);
        }

    }
}

--------------------

//Student.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace InheritanceApplication
{
    class Student :Person
    {

        private double _gpa;
        private DateTime _firstAttended;

        public Student(int id,String name,double gpa, DateTime firstAttended):base(id,name)
        {       
            this._gpa=gpa;
            this._firstAttended=firstAttended;
        }
        //GPA property
        public double GPA
        {
            set
            {
                _gpa = value;
            }
            get
            {
                return _gpa;
            }
        }

        //FirstAttended property
        protected DateTime FirstAttended
        {
            set
            {
                _firstAttended = value;
            }
            get
            {
                return _firstAttended;
            }
        }

        //Override print method
        public override void print()
        {
            base.print();
            Console.WriteLine(\"Gpa : {0} \\t Date : {1}\", _gpa, _firstAttended);
        }
    }
}

----------------------------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace InheritanceApplication
{
    class Program
    {
        static void Main(string[] args)
        {

        //Create an instance of Studnet class
          Student s=new Student(1111,\"johnson\",5.5, new DateTime(2016,12,1));
          s.print();
          Console.ReadKey();
        }
    }
}

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Sample Output:

id : 1111       Name : johnson
Gpa : 5.5        Date : 12/1/2016 12:00:00 AM