Core Java for the Impatient (4th ed.)

An Essential Guide to the Core Language and Libraries--Updated for Java 21 Modern Java introduces major enhancements that impact the core language and APIs at the heart of the Java platform. Many old Java idioms are no longer needed, and new features and programming paradigms can make you far more effective. However, navigating these changes can be challenging. Core Java for the Impatient, Fourth Edition , is a complete guide that reflects all changes through Java SE 21, Oracle's latest Long-Ter