انشاء علاقة Abstract

class Courses

{
String CoursesOffered ;
String Instructor;
int NoStudents;


public Courses()
{
CoursesOffered=null;
Instructor=null;
NoStudents=0;
}
public String getCoursesOffered()
{
return CoursesOffered;
}

public String getInstructor()
{
return Instructor;
}
public int getNoStudents()
{
return NoStudents;
}

public String toString()
{
return "Courses Offered" +CoursesOffered+ "InstructorName" +Instructor+
"NumberOfStudents" +NoStudents;
}


public static void main(String[] args) {





}

Courses [] courseMain = { new Courses("");

import java.util.Scanner;