Besides their syntactical differences, what do you think are the main differences and similarities in writing a Z specication and a Java program of the Class Managers Assistant system. And why?

A Class Managers Assistant

[Student] A given set of students.

size : N The maximum size of a class.

Response ::= success | notenrolled | nocert | cert | alreadyenrolled | alreadytested | noroom

Possible responses of the program.

The State

Class enrolled, tested : P Student

#enrolled size

tested enrolled

enrolled is the set of all students enrolled in the class.

tested is the set of those students who have passes the test.

The initial state ClassInit == [Class0 | enrolled0 = ]

Like this Enroll a student, remove the student, test the student if he pass or fail.