Java Real World Projects

Java continues to be a key technology for building powerful applications in today’s fast-changing tech world. This book helps you connect theory with practice, teaching you the skills to create real-world Java projects. With a clear learning path, you will learn the tools and techniques needed to tackle complex software development challenges with confidence.

This book, inspired by real-world Java projects, starts with Java fundamentals, covering core APIs, modern features, database handling, and automated testing. It explores frameworks like Spring Boot, Quarkus, and Jakarta EE for enterprise cloud-native applications. Employ container technologies like Docker and Kubernetes for scalable deployments. To tackle production challenges, the book will look deeply into monitoring and observability, helping developers understand application performance under unexpected conditions. It concludes with maintainability issues, introducing architectural concepts like domain-driven design (DDD), layered architecture, and hexagonal architecture, offering a roadmap for creating scalable and maintainable Java applications.

By the end of this book, you will feel confident as a Java developer, ready to handle real-world challenges and work on modern software projects. You will have a strong understanding of Java basics, modern tools, and best practices, preparing you for a successful career in Java development.

KEY FEATURES  

• Learn software development approaches used in real Java projects.
• Acquire cloud-native and enterprise software development skills.
• Develop modern Java systems with cutting-edge frameworks.

WHAT YOU WILL LEARN

• Efficient application of core Java API capabilities.
• Modern Java development with features like virtual threads, sealed classes, and records.
• Understanding of the Spring Boot, Quarkus, and Jakarta EE frameworks.
• Monitoring and observability with Prometheus, Grafana, and Elasticsearch.
• Using DDD, layered architecture, and hexagonal architecture to improve maintainability.

WHO THIS BOOK IS FOR

This book is ideal for aspiring and intermediate Java developers, including students, software engineers, and anyone seeking to enhance their Java skills. Prior experience with basic programming concepts and a foundational understanding of Java are recommended.

1. Revisiting the Java API
2. Exploring Modern Java Features
3. Handling Relational Databases with Java
4. Preventing Unexpected Behaviors with Tests
5. Building Production-Grade Systems with Spring Boot
6. Improving Developer Experience with Quarkus
7. Building Enterprise Applications with Jakarta EE and MicroProfile
8. Running Your Application in Cloud-Native Environments
9. Learning Monitoring and Observability Fundamentals
10. Implementing Application Metrics with Micrometer
11. Creating Useful Dashboards with Prometheus and Grafana
12. Solving problems with Domain-driven Design
13. Fast Application Development with Layered Architecture
14. Building Applications with Hexagonal Architecture 

Davi Vieira is a software craftsman with a vested interest in the challenges large enterprises face in software design, development, and architecture. He has over ten years of experience constructing and maintaining complex, long-lasting, and mission-critical systems using object-oriented languages. Davi values the good lessons and the software development tradition left by others who came before him. Inspired by such software tradition, he develops and evolves his ideas.

Davi started his career in technology by working as a Linux system administrator in the web hosting industry. After learning much about server task automation with shell scripting, he moved on to the banking industry, where he fixed bugs in legacy Java systems. Working with such legacy systems enabled Davi to face exciting challenges in a telecommunications organization, where he played a crucial role in helping the company adopt cloud-native development practices. Eager to learn and make a lasting impact, Davi works currently as a tech lead for an enterprise software company.