Answer to Question #349923 in C# for Johnny

Question

Create a new project, and include in it the class

Create a class "Student" and another class "Teacher", both descendants of

"Person".

The class "Student" will have a public method "GoToClasses", which will

write on screen "I’m going to class."

The class "Teacher" will have a public method "Explain", which will show on

screen "Explanation begins". Also, it will have a private attribute "subject", a

string.

The class Person must have a method "SetAge (int n)" which will indicate

the value of their age (eg, 20 years old).

The student will have a public method "ShowAge" which will write on the

screen "My age is: 20 years old" (or the corresponding number).

You must create another test class called "StudentAndTeacherTest" that will

contain "Main" and:

Create a Person and make it say hello

Create a student, set his age to 21, tell him to Greet and display his age

Create a teacher, 30 years old, ask him to say hello and then explain.

Test the other methods also given in the diagram

Answer 1

namespace UserNamespace
{


    class StudentAndTeacherTest
    {
        static void Main()
        {
            Person human = new Person();
            human.PersonGreetings();


            Student StudentGuy = new Student();
            StudentGuy.SetAge(21);
            StudentGuy.PersonGreetings();
            StudentGuy.ShowAge();


            Teacher teacher = new Teacher();
            teacher.PersonGreetings();
            teacher.SetAge(30);
            teacher.Explain();
        }


    }
    class Person
    {
        public int age;


        public void PersonGreetings()
        {
            Console.WriteLine("Greetings.");
        }
        public int SetAge(int n)
        {
            age = n;
            return n;
        }




    }


    class Teacher : Person
    {
        private string subject;
        public void Explain()
        {
            Console.WriteLine("Explanation begins");
        }
    }
    class Student : Person
    {
        public void GoToClasses()
        {
            Console.WriteLine("I’m going to class.");
        }
        public void ShowAge()
        {
            Console.WriteLine($"My age is {age} years old.");
        }
    }
}