Steven Haines

Contributor

Steven Haines is a senior technologist, accomplished architect, author, and educator. He currently is a principal software engineer at Veeva Systems, where he builds Spring-based Java applications. Steven previously worked on two startups: Chronosphere, where he helped customers design and implement large-scale observability strategies, and Turbonomic, where he was a principal software architect for cloud optimization products. He's also worked for Disney as a technical architect and lead solution architect, building out the next generation of Disney's guest experience and other Disney solutions. Steven specializes in performance and scalability, cloud-based architectures, high-availability, fault tolerance, business analytics, and integration with new and emerging technologies.

As an author, he has written two books on Java programming and more than 500 articles for publications such as InfoWorld, InformIT.com (Pearson Education), JavaWorld, and Dr. Dobb's Journal. He has also written over a dozen white papers and ebooks on performance management and cloud-based architectures.

Steven has taught computer science and Java programming at Learning Tree University and the University of California, Irvine. He also maintains a personal website dedicated to helping software developers and architects grow in their knowledge: www.geekcap.com (by Geeks for Geeks).

Articles by Steven Haines

Advanced unit testing with JUnit 5, Mockito, and Hamcrest

Integrate Hamcrest and Mockito with JUnit 5 for more sophisticated unit testing with assertions, simulations, and behavior verification using Mockito spies.

Steven Haines

Articles by Steven Haines

Advanced unit testing with JUnit 5, Mockito, and Hamcrest

How to test your Java applications with JUnit 5

Java persistence with JPA and Hibernate: Persisting data to a database

Java persistence with JPA and Hibernate: Entities and relationships

JUnit 5 tutorial, part 2: Unit testing Spring MVC with JUnit 5

JUnit 5 tutorial, part 1: Unit testing with JUnit 5, Mockito, and Hamcrest

Socket programming in Java: A tutorial

Continuous integration with Jenkins

Composite keys in JPA and Hibernate

Inheritance relationships in JPA and Hibernate

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PyApp: Build click-to-run Python apps with Rust