This classic software development book is, as the name suggests, about clean code: Code that not only works but, above all, is easy to read and maintain.
This includes:
The principles presented are elaborated through several concrete Java case studies.
The book is easy to understand and entertaining to read through occasional anecdotes. Every developer should read this book and make the principles presented second nature.
The chapter on concurrency is unfortunately enormously simplified (without pointing this fact out). Modern optimizations such as instruction reordering and CPU cache effects are not addressed. Thus, after reading this chapter, the reader can quickly believe in deceptive security and produce subtle bugs that are hard to find afterward.
To gain confidence in writing concurrent applications, I highly recommend Brian Goetz's "Java Concurrency in Practice” to any Java developer.
Finally, a personal tip about code style: Don't make up your own style. Save yourself the countless discussions in your team and instead use an existing, widely used style for which there is documentation, checkers, formatters, and IDE plugins. A good example is Google's Java Style Guide and the associated tools.
🎧 Suitable as an audiobook? No! Even though this book inexplicably exists as an audiobook, it is not suitable as such due to the numerous code examples.
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