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Editorial study collection

Java platform

Develop current Java language, core API, concurrency, module, packaging, and deployment skills through runnable code.

This collection is a learning lens, not an official sequence or vendor pathway. Guides are grouped by editorial learning level and then sorted naturally by exam code. Start with the guide that best matches your current role and knowledge; use the others to broaden or deepen the same capability area.

Expert and professional

Advanced architecture, leadership, and professional certifications for experienced practitioners.

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