A seemingly simple question: What are design patterns?
Before debating whether design patterns are dead or alive, we should first agree on what they actually are. Spoiler: the answer is broader than the GoF book.
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Long-form writing on Java, Spring Boot, design patterns and the craft of software. RSS feed
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3 articlesHow to Make Your Reviewer Cry Using Java Optional
Four common Java Optional pitfalls I keep seeing in code reviews — from old-fashioned isPresent/get patterns to the philosophical crime of orElse(null).
Sluggish Spring Boot Tests Riddle
How a nagging belief that integration tests are inherently slow turned out to be fixable — cutting our build time from 10 minutes to 4.