PDF : https://github.com/in28minutes/SpringIn28Minutes/blob/master/InstallationGuide-JavaEclipseAndMaven_v2.pdf Video : https://www.youtube.com/watch?v=eqRF4xHoGck ...

2.1 An Introduction to OOP Composition by Example - the Author and Book Classes 2.2 (Advanced) The Author and Book Classes Again - An Array of Objects as an Instance Variable 2.3 Ex: The Author and ...