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Manning's Modern Java in Action is outstanding. It assumes you already know basic Java. https://www.manning.com/books/modern-java-in-action https://www.manning

• mathisfun123 3y ago
  both suggestions here are for books that cover java 8. how is it possible that java 8 is modern relative to java 21?
  • Tomte 3y ago
    Core Java for the Impatient (3rd) is less than a year old and updated for Java 17.
    • mathisfun123 3y ago
      excellent - thanks
  • msgilligan 3y ago
    Modern Java in Action (the 2nd edition of Java 9 in Action) covers Java 11 and contains a final chapter that talks about "future Java" features -- many of which are now implemented. It's a great book for Java programmers who want to make the jump to functional-style programming. If that's the transition one is hoping to make, then I would definitely recommend the book.
    • msgilligan 3y ago
      And I would recommend "The Well-Grounded Java Developer" (2nd edition) to those who have mastered the functional-style Java of "Modern Java in Action". It covers JDK 17 (and beyond) and also has a a polyglot JVM focus with coverage of Kotlin and Clojure. https://www.manning.com/books/the-well-grounded-java-developer-second-edition https://www.manning.com/books/the-well-grounded-java-develop...
  • msgilligan 3y ago
    ... and I agree that there is a need for a Java 21+ book which includes discussion of algebraic data types, pattern matching etc.