about this book
Because you opened this book, I assume you are a developer working with a JVM language. You might use Java, but you could just as well be coding in Kotlin or Scala. Regardless of the JVM language, you will find the content valuable. This book teaches practical investigation techniques that help you identify the root causes of problems and also learn new technologies more effectively.
As a software developer, you’ve probably noticed how much of your time is spent understanding what your application actually does. Whether you are reading code, debugging, analyzing logs, or checking performance, chances are you spend far more time on these activities than on writing new code. That’s why becoming more efficient at investigating and analyzing application behavior pays off so quickly—it helps you solve problems faster and with greater confidence.
This second edition also includes a new dimension: how to take advantage of AI as a partner in troubleshooting. AI can process large volumes of logs, highlight unusual patterns, or suggest possible causes. It won’t replace your skills, but it can accelerate your work and allow you to focus on the insights that matter.
This book discusses and illustrates through examples topics such as