3 posts about Java 21 by 2 contributors.
Know Java 21? Share what you know with developers who are learning it.
Follow this step-by-step guide by Ziggy Rafiq to perform a complete clean installation of Rancher Desktop on macOS (Apple Silicon and Intel). Create a stable Kubernetes development environment using Rancher Desktop, k9s, containerd, and Homebrew following enterprise DevOps best practices by removing old Lima virtual machines, Kubernetes configurations, container runtimes, and cached files.
The best practices for JUnit testing in Java 21 by Ziggy Rafiq include leveraging new language features like record patterns and string templates. Develop maintainable and robust Java applications by leveraging test isolation, AAA patterns, and parameterized tests.
Java 21 is a major release that includes a number of new features and improvements that make Java more concise, expressive, safe, and performant. Some of the most significant new features include record classes, sealed classes, pattern matching for instanceof, virtual threads, and sequenced collections. In short, Java 21 is a must-have update for any Java developer. It includes a number of new features that can help you to write better code, faster.
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