Software development can be a complex and (at times) error-prone process. As you have learned over the course of reading this book, the Objective-C platform provides a myriad of features to make you a more efficient, productive programmer. However, the bottom line is that the programs you write will have bugs; so the question is how do you mitigate them? Specifically, how do you detect bugs, validate program correctness, and analyze program control flow? Of perhaps even greater importance, what is the process you use for debugging code? For example, do you analyze program state by inserting debugging statements in your source code? The Xcode debugger is the key tool for detecting runtime and logical errors in your software. In addition, it provides a variety of features that can also make you better at debugging.