The definitive guide to Java programming—thoroughly revised for Java SE 21Fully updated for Java SE 21, Java™: The Complete Reference, Thirteenth Edition explains how to develop, compile, debug, and run Java programs. Best-selling programming author Herb Schildt and Dr. Danny Coward cover the entire Java language, including its syntax, keywords, and fundamental programming principles. You’ll also find information on key portions of the Java API library, such as I/O, the Collections Framework, the stream library, and the concurrency utilities. Swing, JavaBeans, and servlets are examined, and numerous examples demonstrate Java in action. Recent additions to the Java platform, such as pattern matching in switch statements, record patterns, sequenced collections and virtual threads are also discussed in detail. Best of all, the book is written in the clear, crisp, uncompromising style that has made Schildt and Coward the choice of millions worldwide. Coverage includes: • Data types, variables, arrays, and operators • Control statements • Classes, objects, and methods • Method overloading and overriding •Inheritance •Interfaces and packages •Exception handling •Multithreaded programming, including virtual threads •Enumerations, autoboxing, and annotations •The I/O classes •Generics •Lambda expressions •Modules •Records •Sealed classes •Text blocks •switch expressions, including with pattern matching •Pattern matching with instance of including with records •String handling •The Collections Framework •Networking •Event handling •AWT •Swing  •The Concurrent API •The Stream API •Regular expressions •JavaBeans •Servlets •Much, much more