Add capability to handle Grade Book for different subjects (Chemistry and Computer Science).
We will assume a maximum of five assignments and up to 40 students.
Below is the requirement for the handle grade book.
..Array of students
..Constructor has call to reading a textfile and building a student 
Does it make sense to setstatistics or setstudent?
..add methods to print a student info.
..print method to print entire class info
This requirement must be followed.
Following concepts are applied – Extend abstract class to create two grade books (7 points)
ReportCard chem = new StudentIntImpl(“chem.txt”);
ReportCard cis = new StudentIntImpl(“cis.txt”);