Create packages, import packaged classes and interfaces into your programs, move packages, and encapsulate them in jar files.

Writing a Java application (see Android) that consumes a JSON API usually involves mapping the JSON objects to Java classes for use in the software. This is a tedious and repetitive task to say ...

Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

A proposal before the OpenJDK development team would add hidden classes to Java, a capability intended to improve the efficiency of language implementations built on the JVM. Hidden classes are ...

A preview feature in Java is one that is not yet added permanently even though its design, specification, and implementation are complete. Presently Java has quite a few preview features in the ...