3 Principles for Java Engineers to Stay Up-to-date With Technology You need to know the 3 principles that sustain great frameworks and libraries. Applying these principles in your APIs will put you on the path to staying up-to-date. by Join the DZone community and get the full member experience.Join For Free Java Engineers can adopt several strategies to stay up-to-date with technology. One of the most natural ones is by developing frameworks and libraries. By doing that, they often find themselves in one of these two situations: Any significant change in their code would break their client’s applications. So, they struggle with releasing extra features. Most of their releases comprise only minor bug fixes.