Sep 6, 2021 · Fundamentals

Master Java 9‑16: Essential New Features You Must Know

This article quickly walks through the major new features introduced in Java versions 9 to 16—including private interface methods, var type inference, enhanced switch expressions, records, sealed classes, and new garbage collectors—helping developers stay up‑to‑date with the language’s rapid evolution.

Java versionsjavalanguage features

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Master Java 9‑16: Essential New Features You Must Know

Top Architect

Aug 15, 2021 · Fundamentals

Key New Features in Java 9–16: Private Interface Methods, var, Switch Expressions, Records, Sealed Classes and More

This article reviews the most important Java language enhancements from version 9 through 16, covering private interface methods, diamond operators for anonymous classes, var type inference, improved try‑with‑resources, switch expressions, text blocks, records, refined NullPointerException messages, foreign memory access, sealed classes, and the new jpackage tool.

Java versionsSealed ClassesSwitch Expressions

0 likes · 12 min read

Key New Features in Java 9–16: Private Interface Methods, var, Switch Expressions, Records, Sealed Classes and More