Java 8 to 21 by Shai Almog [Paperback]

"Java 8 to 21" by Shai Almog is a comprehensive guide that explores the evolution of Java programming from its Java 8 version up to the latest developments and features introduced in Java 21. This book serves as both a learning resource and a reference for developers looking to stay current with Java's advancements and leverage its new capabilities effectively.

Key features and content covered in the book include:

1. **Java Language Enhancements**: Detailed explanations and practical examples of new language features introduced in Java versions 9 through 21, including modules, records, pattern matching, and more.

2. **API Updates**: Coverage of updates and enhancements to Java's core APIs, such as the Stream API, Collections Framework, and enhancements in Java 11 and beyond.

3. **Platform Updates**: Discussions on updates to the Java Virtual Machine (JVM), performance improvements, and platform-specific enhancements in recent Java versions.

4. **Modern Java Development Practices**: Guidance on adopting modern Java development practices, including functional programming with lambdas and streams, modularization, and best practices for coding in Java.

5. **Compatibility and Migration**: Strategies and considerations for migrating existing Java applications from older versions to newer ones, ensuring compatibility and taking advantage of new features.

6. **Advanced Topics**: Coverage of advanced topics relevant to Java developers, such as concurrency, security, performance tuning, and integration with other technologies.

7. **Practical Examples and Case Studies**: Real-world examples and case studies that illustrate how to apply new Java features and techniques in various development scenarios.

"Java 8 to 21" is suitable for Java developers of varying skill levels, from beginners looking to grasp modern Java concepts to experienced developers seeking to update their knowledge and skills with the latest Java advancements. It aims to empower developers to leverage Java's evolution effectively for building robust and scalable applications in today's software landscape.