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

Packages can store classes and interfaces, as well as subpackages, which are packages nested within other packages. A package has a name, which must be a non-reserved identifier; for example, java.

There are over 40 functional interfaces listed in the java.util.functions package, which can make the prospect of functional programming in Java a somewhat daunting task.

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...

JSDK (Java Servlet Development Kit) is a package containing all the classes and interfaces needed to develop servlets. JSDK also contains a web server and servlet engine to test your creations.

However, Java 13 does also bring dynamic class-data sharing archives, memory improvements, and a new implementation of the Java sockets application programming interface.

Description An application programming interface (API) is a software tool used in software programming that abstracts all the programming steps into a user interface that the developer uses to create ...

That three percent included packages, methods, and class names. But those declarations—like starting a function with package java.lang —can only be used in certain ways.