The Java tutorial Java 101: Classes and objects in Java introduces the fundamentals of Java classes and objects, including how to declare classes, describe attributes via fields, describe behaviors ...

With each new Java platform release, the stewards of the language always include a few new preview features that can be toyed with only if a developer knows how to unlock the capabilities at runtime.

Programmers typically target a specific, long-term support release when they develop applications. That means for the past several years, most Java developers were limited to the Java 8 or Java 11 ...