JDK 25 brings powerful new features to Java and JVM developers. Here are seven new or updated features that could convince ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class is a simple, versatile, easy-to-use class that makes user input in Java ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Constructors play a key role in all object-oriented programming languages, and Java is no exception. Every class a Java developer creates needs a constructor. Constructors perform numerous important ...

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.

We investigate the algorithmics of subtyping in the presence of nominal inheritance and variance for generic types, as found in Java 5, Scala 2.0, and the .NET 2.0 Intermediate Language. We prove that ...

Exception in thread "main" java.lang.IllegalStateException: No constructor or factory method candidate found for Root bean: class [org.apache.dubbo.config.spring ...

These six puzzle makers will work for three months with New York Times editors to craft a submission-ready grid. By New York Times Games Congratulations, and welcome, to the second class of the ...