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Core Java
Interface Evolution With Default Methods – Part II: Interfaces
Default methods were introduced to enable interface evolution. If backwards compatibility is sacrosanct, this is limited to adding new methods…
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Enterprise Java
On Servlets and Async Servlets
The Servlet API, part of the Java EE standard, has long been (since 1998, when the 2.1 specification was officially…
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Software Development
It’s the Little Things: The PL/SQL NULL Statement, and why Every Language Should have One
Syntax is one of those topics. One of those emotional topics that lead to very very very important discussions. I…
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Scala
Scala Snippet: Object, Companion Object and Static Methods
If you are a Java developer moving to Scala, one notable difference in terminology that can cause confusion is the…
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Software Development
Meta-cycles in technology choices
I’ve been working on my keynote for QCon Beijing and looking at technology trends and choices since the 1950s. One…
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Enterprise Java
Farewell to Asynchronous Code
Quasar is a library that adds true lightweight threads (fibers) to the JVM. These are very cheap and very fast…
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Enterprise Java
Scalable, Robust – and Standard – Java Web Services with Fibers
This blog post discusses benchmarking web service performance under load. To learn more about the theory of web service performance,…
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Groovy
Grails 3 Released: Installing Gradle and Groovy 2.4 Support in Eclipse/GGTS
Grails 3 has been released with a ton of new features. If you’re used to adding a new Grails distribution…
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Software Development
Microservice Design Patterns
The main characteristics of a microservices-based application are defined in Microservices, Monoliths, and NoOps. They are functional decomposition or domain-driven design, well-defined…
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