Object oriented programming is the basic programming skill, and all students must learn the programming skills. Many of the University have this programming in their different university courses and school courses. This book has been written in the view of the understanding levels of the Undergraduate students. I this book all examples have been written with simple concepts and applying only one concepts at a time. Most of the books have multiple concepts in one single example. Book have been divided into five units keeping in mind the current trend of the university curriculum. In this book Lab examples are also written, and some of the lab experiments are given for the practical to the students.