"Java in Action: The Journey of Java: From Core Concepts to Advanced Programming," is for beginners and intermediate programmers who want to master Java. Every chapter comes with exercises and code examples that can help in building and developing problem-solving skills.

Right from basic concepts that act as a foundation of Java to high-level programming methods, it takes the reader through the complete journey and prepares the reader with all that would be needed to start programming applications confidently in real life.

In the beginning sections, it talks about OOP and some core principles of Java that focus on variables, data types, and control structures. Readers are well-oriented and acquainted with Java basics via simple explanations and working examples.

The subjects the book involves become more sophisticated along with this: file handling, multi-threading, structures for data, and more detailed best practices about effective coding and scalability.

What is impressive besides analyzing the robust standard libraries and APIs of Java is that it even throws in some valuable insights into how this language can be used for database integration, concurrent programming, and web development.

"Java in Action" takes readers beyond syntax so they can understand what Java can do and where it's being applied within all types of industries, so it's the perfect book for any person looking to upgrade his or her programming skills.

This book will be a comprehensive and very readable guide to Java's rich programming ecosystem, whether the system you are designing is small or large.