The release of Java SE 8 introduced significant enhancements that impact the Core Java technologies and APIs at the heart of the Java platform. Many old Java idioms are no longer required and new features like lambda expressions will increase programmer productivity, but navigating these changes can be challenging. Core Java® for the Impatient is a complete but concise guide to Java SE 8. Written by Cay Horstmann—the author of Java SE 8 for the Really Impatient and Core Java™, the classic, two-volume introduction to the Java language—this indispensable new tutorial offers a faster, easier pathway for learning the language and libraries. Given the size of the language and the scope of the new features introduced in Java SE 8, there’s plenty of material to cover, but it’s presented in small chunks organized for quick access and easy understanding. If you’re an experienced programmer, Horstmann’s practical insights and sample code will help you quickly take advantage of lambda expressions (closures), streams, and other Java language and platform improvements. Horstmann covers everything developers need to know about modern Java, including Whether you are just getting started with modern Java or are an experienced developer, this guide will be invaluable for anyone who wants to write tomorrow’s most robust, efficient, and secure Java code.
Good book, not concise (too much content; could've used shorter chapters) but written with clarity. I'm not very fond of Java per se, but I have to use Spark (so Java is necessity) which uses Hadoop (in Java) which was developed as a "fix" for Nutch (in Java.) They probably wrote it in Java because they would rather trust Java's garbage collector than any other random programmer "debating" that their contributed code take cares of memory well! Doesn't matter! The point is, it is cool enough for me to use. I'm not very attracted to using everything as a reference though.
For the same reasons, I've read this book too. The same highlights apply. I have been enjoying Cay S. Horstmann's book since 2013. I enjoy this one, too. It applies the same "for the Impatient" book series approach of detailed exploration of Java for seasoned engineers.
Nowadays, go straight for the latest 3rd edition, which is updated for Java 17. :)
Retroactive review - Quick read a few years back. Covers all topics that are needed to use the Java 8+ in production and wastes no time in doing it. Ideal for brushing up the latest changes to the language and it turns out there are a lot.