Object-Oriented Programming in Java

This lecture introduces the object-oriented programming concepts in Java through a case study on modeling mechanisms for watches. Starting with the basic problem of modeling different types of mechanisms, the lecture covers the hierarchy of classes, constructors for subclasses, default values handling, and display methods for mechanisms. The instructor explains the importance of abstract classes and interfaces in defining common behaviors and ensuring consistency across subclasses. The lecture concludes with a demonstration of testing the mechanism display and watch construction in Java.