Laurentiu Spilca

Spring Start Here  introduces you to Java development with Spring by concentrating on the core concepts you'll use in every application you build. You'll learn how to refactor an existing application to Spring, how to use Spring tools to make SQL database requests and REST calls, and how to secure your projects with Spring Security. There's always more to learn, and this book will make your next steps much easier.

Determine what code does the first time you see it Expose code logic problems Evaluate heap dumps to find memory leaks Monitor CPU consumption to optimize execution Use thread dumps to find and solve deadlocks Easily follow a service-oriented or microservices system Properly use logging to better understand Java app execution Use Java debuggers efficiently Searching for bugs, detangling messy legacy code, or evaluating your codebase for new features sucks up much of a developer's time.  Troubleshooting Java: Read, debug, and optimize JVM applications  teaches code investigation techniques that will help you efficiently understand how Java apps work, how to optimize them, and how to fix the bugs that break them. You’ll go from the basics of debugging to advanced methods for locating problems in microservices architectures, and save yourself hours—or even days—of time. Each new technique is explained with lively illustrations and engaging real-world examples.

Whether you’re a beginner or a pro,  Spring Security in Action, Second Edition  teaches you how to secure your Java applications from the ground up. Author Laurentiu Spilca distills his years of experience as a skilled Java and Spring developer into an indispensable guide to everything security—from authentication and authorization, to testing security configurations. This new edition covers the latest patterns for application-level security in Spring apps, demonstrating how Spring Security simplifies every step of the security process.