C#

Question

2 classes: Student & Teacher with 4 attributes in each class.
An explicit default constructor, Parameter constructor & PrintData Function.

Create objects of each class in Program Class using parameterize constructor & explicit default constructor.

also call printdata function on each object.

Please can you tell me what is the coding of this statement in c#

Answer 1

interface IDataPrinter
{
string Attribute1;
string Attribute2;
string Attribute3;
string Attribute4;

void PrintData(string data);
}

class Student : IDataPrinter
{
public Student() {}

public Student(string parameter) {}

public void PrintData(string data)
{
// do whatever you want here ...
}
}

class Teacher : IDataPrinter
{
public Teacher() {}

public Teacer(string parameter) {}

public void PrintData(string data)
{
// do whatever you want here ...
}
}

class Program
{
public static void Main(string[] Args)
{
Student student1 = new Student();
Student student2 = new Student("foobar");

Teacher teacher1 = new Teacher();
Teacher teacher2 = new Teacher("hulu");

student1.PrintData("foo");
student2.PrintData("bar");
teacher1.PrintData("fooing");
teacher2.PrintData("baring");
}
}

Answer 2

interface IDataPrinter .... what is the concept of this word