Mastering Java 25 is a complete, hands-on guide that teaches you how to design, build, and deploy modern Java applications using the latest tools, syntax, and performance enhancements in JDK 25. This book takes you beyond basic syntax, showing you how to apply Java’s object-oriented principles, concurrency APIs, and architectural patterns to real-world projects.
Every example in this book compiles and runs correctly in IntelliJ IDEA or Eclipse, following modern development standards. You will write clear, efficient, and scalable code using Java 25 features such as records, pattern matching, virtual threads, and string templates. Each chapter focuses on practical applications—reinforced with code walkthroughs, inline comments, and professional coding techniques that reflect how Java is used in production systems today.
What You Will Learn
• Understand Java 25 syntax, type inference, and text processing improvements like string templates and text blocks.
• Apply object-oriented design with classes, constructors, records, inheritance, and encapsulation.
• Build modular, maintainable applications using packages and the Java Platform Module System (JPMS).
• Write concurrent and parallel programs with virtual threads, the Executor framework, and atomic operations.
• Manage and optimize memory using garbage collection tuning and JVM profiling tools.
• Test and isolate code with JUnit 5, Mockito, and coverage tools like JaCoCo.
• Build and deploy RESTful APIs using Spring Boot 3.x, containers, and cloud platforms such as AWS, GCP, and Azure.
• Structure enterprise systems with layered and modular architecture for performance and maintainability.
• Explore advanced design patterns including DAO, Strategy, Observer, Command, and Dependency Injection.
• Prepare for the future of Java through upcoming projects like Loom, Valhalla, and Panama.
Inside the Book
• Real-world code examples explained line by line.
• Full coverage of JVM internals, garbage collection, and memory profiling.
• Practical testing and debugging workflows for stable software.
• Modern deployment examples using Docker, Kubernetes, and CI/CD pipelines.
• Guidance on building scalable microservices and enterprise architectures.
Who This Book Is For
• Beginners transitioning to intermediate Java developers.
• Developers upgrading from older Java versions to Java 25.
• Professionals building enterprise or cloud-based applications.
• Engineers preparing for Java certification or software architecture roles.
Why This Book Is Different
Unlike generic Java guides, Mastering Java 25 focuses on clarity, practicality, and modern coding standards. Each concept is tied directly to performance, readability, and scalability in real systems. The examples use realistic data models and workflows that mirror production environments—from API design to concurrent processing and deployment automation.
This book builds from fundamentals like classes and inheritance to advanced topics like concurrency, profiling, and modular architecture. Each section ends with key takeaways that connect technical concepts to professional software development goals.
