Fundamentals 15 min read
A Practical Overview of New Java Features from Java 9 to Java 17
This article presents a concise, hands‑on review of the most useful Java language enhancements introduced between Java 9 and Java 17—including private interface methods, Optional API upgrades, var type inference, the new HTTP client, switch expressions, text blocks, records, instanceof pattern matching, and sealed classes—illustrated with clear code examples.
Architecture Digest
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Focusing on Java backend development, covering application architecture from top-tier internet companies (high availability, high performance, high stability), big data, machine learning, Java architecture, and other popular fields.
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