in java (Exception handling (try-catch and throw) + Classes + static members + copy constructors )

Exercise 2: A librarian needs to keep track of the books he has in his Library. 1. Create a class Book that has the following attributes: ISBN, Title, Author, Subject, and Price. Choose an appropriate type for each attribute. 2. Add a static member BookCount to the class Book and initialize it to zero. 3. Add a default constructor for the class Book. Increment the BookCount static member variable. 4. Add an initialization constructor for the class Book. Increment the BookCount static member variable. 5. Add a copy constructor for the class Book. Increment the BookCount static member variable. 6. Add the setters and getters to the class Book. 7. Make sure that the getter and setter for the BookCount static variable are also static. 8. Add a toString() to the class Book. Create the following GUI to manipulate the class Book