This app is very basic. It should include some exercises. Reply if you agree.

Answer 1

No, because this app is designed to teach users the fundamentals of programming and if the users want to do exercises they should do them there self or get a book. O'Reilly offers a great understanding of Java and exercises with answers in the book. They do however need an advanced section where they teach things such as polymorphism and enumerations.

Answer 2

it should really include challenges