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Why and How to Upgrade to Java 16 or 17
Java 17, the next Long Term Support (LTS) release, will be released on September 14, 2021. Unfortunately, many applications are still running on versions of Java before Java 11, the latest LTS. This article explains why you should upgrade your applications and how to do so relatively quickly. Practical examples are provided on what might break in your application and how to resolve it.
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What's New in Java 16
Java 16 was released in March of 2021 as a GA build meant to be used in production. And Java 17, the next LTS build, is scheduled to be released this September. Java 17 will be packed with a lot of improvements and language enhancements, most of which are a culmination of all the new features and changes that have been delivered since Java 11.
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Java Feature Spotlight: Pattern Matching
Java SE 14 (March 2020) introduced a limited form of pattern matching as a preview feature, which becomes a permanent feature in Java SE 16 (March 2021). The first phase of pattern matching is limited to one kind of pattern (type patterns) and one language construct (instanceof), but this is only the first installment in a longer feature arc.