As Java continues to evolve, this cookbook continues to grow in tandem with hundreds of hands-on recipes across a broad range of Java topics. Author Ian Darwin gets developers up to speed right away with useful techniques for everything from string handling and functional programming to network communication and AI. If you're familiar with any release of Java, this book will bolster your knowledge of the language and its many recent changes, including how to apply them in your day-to-day development. Each recipe includes self-contained code solutions that you can freely use, along with a discussion of how and why they work. Downloadable from GitHub, all code examples compile successfully. This updated edition covers changes up to and including Java 21. You will:Learn how to apply many new and old Java APIsUse the new language features in recent Java versionsUnderstand the code you're maintainingDevelop code using standard APIs and good practicesExplore the brave new world of current Java developmentIan Darwin has a lifetime of experience in the software industry, having worked with Java across many platforms and types of software, from Java's initial pre-release to the present, from desktop to enterprise to mobile.