The professor who taught me OOP wrote a book which I never read, but I am confident that he focuses on the concepts in the beginning: https://books.google.de/bo

The professor who taught me OOP wrote a book which I never read, but I am confident that he focuses on the concepts in the beginning: https://books.google.de/books?id=RAloBgAAQBAJ&printsec=frontcover&hl=de#v=onepage&q&f=false https://books.google.de/books?id=RAloBgAAQBAJ&printsec=front... Another good source of ebooks seems to be this page: http://stephane.ducasse.free.fr/FreeBooks/ http://stephane.ducasse.free.fr/FreeBooks/ There you can find the Blue-Book which looks like a great resource too: http://stephane.ducasse.free.fr/FreeBooks/BlueBook/Bluebook.pdf http://stephane.ducasse.free.fr/FreeBooks/BlueBook/Bluebook.... Some Links seem to be broken nowadays, but some content can be obtained from the archive: https://web.archive.org/web/20130319110836/http://stephane.ducasse.free.fr:80/FreeBooks/SmalltalkDesignPatternCompanion/ https://web.archive.org/web/20130319110836/http://stephane.d...