When I read this book, I felt like I was looking over the shoulder of an expert designer who explained to me what an important issue at every step, and why. " - Sciore Edward, Associate Professor, Department of Computer Science, Boston College Tired of reading Object Oriented Analysis and Design which only makes sense after you an expert? But how? Head First Object-Oriented Analysis & Design shows you how to analyze, design, and writing object-oriented software that serious: easy software for reuse, maintain, and expand; software that does not hurt your head; software that allows you to add new features without violating the old. Inside you'll learn how to: Use OO principles like encapsulation and delegation to build applications that are flexible Apply the Open-Closed Principle (OCP) and the Single Responsibility Principle (SRP) to promote reuse of code Leverage the power of design patterns to solve your problem more efficiently Use UML, use cases, and diagrams to ensure that all stakeholders are communicating clearly to help you deliver the right software that meets everyone's needs. Expect to have fun, hoping to learn, hoping to write great software consistently at the time you finish reading this!