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 ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Here is a quote from Absolute Java, 1st Ed, by Walter Savitch:<BR>"Note that with a static method, the class name serves the same purpose as a calling object. (It would be legal to create an object of ...

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...

The guts of my program use 4 "global" variables that can be set on the command line. I have a hacky way to make this work, but now I'm wrapping a GUI around it and need the GUI to access my globals.

Error handling, also called exception handling, is a big part of Java, but it’s also one of the more divisive elements. Exception handling allows a developer to ...