Classical and Object-Oriented Software Engineering, 6/e is designed for an introductory software engineering course. This book provides an excellent introduction to software engineering fundamentals, covering both traditional and object-oriented techniques. Schach's unique organization and style makes it excellent for use in a classroom setting. It presents the underlying software engineering theory in Part I and follows it up with the more practical life-cycle material in Part II. A running case study through the second half of the book helps students apply software engineering principles to a real project. The book has been updated to use the Unified Process model throughout, making the text more practical and modern. The material has also been revised to conform to the latest ISO/IEC 12207 standards. Additionally, the references and examples have been thoroughly updated to appeal to today's student.