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This article introduces the key enhancements in JDK 17—including improved NullPointerException messages, Metaspace reclamation, new garbage collectors, and language upgrades such as pattern‑matching instanceof, records, sealed classes, switch expressions, and text blocks—accompanied by practical code demonstrations.
This article provides a comprehensive overview of the major language and runtime enhancements introduced in JDK 12 through JDK 17, covering switch expressions, micro‑benchmarking with JMH, class‑data sharing, garbage‑collector improvements, new String methods, hidden and sealed classes, records, and unified asynchronous logging, all illustrated with code examples.
This article explores the trade‑offs between efficiency, readability and maintainability in software development, presents common naming conventions and best‑practice guidelines for Java, discusses proper use of comments, and introduces advanced language constructs such as records, sealed classes and the upcoming Valhalla project.
The article reviews the most notable Java 17 language enhancements—including text blocks, records, concise switch expressions, pattern‑matching instanceof, sealed classes, and richer NullPointerException messages—explaining their syntax, benefits, and providing side‑by‑side code comparisons with Java 11.
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 16, scheduled for release in March 2021, introduces a range of enhancements such as sealed classes, stronger encapsulation, foreign‑memory access, pattern matching for instanceof, a new jpackage tool, ZGC improvements, Unix‑domain sockets, and expanded platform support, all aimed at improving security, performance, and developer productivity.
The article outlines the upcoming JDK 16 release, detailing new language and JVM features such as sealed classes, stronger encapsulation, foreign‑memory access, pattern matching for instanceof, Unix‑domain socket channels, ZGC improvements, jpackage support, and platform migrations to Windows/AArch64 and Alpine Linux.
This article explains Java JDK 15’s sealed class feature, showing how to declare sealed classes, the required permits clause, and the necessary final, sealed, or non‑sealed modifiers for subclasses, illustrated with complete code examples.
Explore the key Java 15 enhancements—including Text Blocks for effortless multiline strings, Records and local records for concise data models, Pattern Matching for streamlined type checks, Sealed Classes to control inheritance, and the low‑latency ZGC—plus practical IDE tips for using these features effectively.