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Code is easier to reason about when collections cannot be altered after their creation. Having to keep track of the current state of a collection as it gets passed around from this method to that equates to more mental balls to juggle. Mutating... | Carl ... (more…)

This article in my series on the Java Platform Module System (JPMS) is focussed on automatic modules . JPMS was previously known as Project... (more…)

RuleBook - 100% Java, Lambda Enabled, Lightweight Rules Engine with a Simple and Intuitive DSL (more…)

As an engineer for the U.S. Digital Service, Marianne Bellotti has encountered vintage mainframes that are still being used in production — sometimes even powering web apps. Last month she entertained a San Francisco audience with tales about some of ...