Java has a set of keywords that are reserved words that cannot be used as variables, methods, classes, or any other identifiers: A non-access modifier. Used for classes and methods: An abstract class …

See Java Language Changes for a summary of updated language features in Java SE 9 and subsequent releases. See JDK Release Notes for information about new features, enhancements, …

In the Java programming language, a keyword is any one of 68 reserved words [1] that have a predefined meaning in the language. Because of this, programmers cannot use keywords in some …

Dec 4, 2025 · In Java, keywords are the reserved words that have some predefined meanings and are used by the Java compiler for some internal process or represent some predefined actions. These …

Nov 26, 2025 · Learn what a keyword in Java is, why keywords are important, and how they are used as reserved words that form the core of Java programming syntax.

Feb 9, 2026 · Keywords in Java have a specific meaning to the Java compiler. They are fundamental to the language's syntax and structure and can not be used as other identifiers in Java like variable …

Learn what keywords are in Java, explore the complete list of Java keywords, and discover best practices for using them with examples. Read now!