Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...

If you’re faced with creating a Swing-based wizard from scratch, you’ll want to know about Tim Boudreau’s Wizard project. This installment of Jeff Friesen’s Open source Java projects series gets you ...

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

Java programs without a graphical user interface use a computer's command line to interact with the user. It is vital that the program's command line output is properly formatted and spaced so that it ...

Java 1.4 introduced the java.lang.StackTraceElement class to describe an element representing a stack frame in a stack trace. This class provides methods that return the fully qualified name of the ...

It should be OK, right? Directly, we can invoke bar() on an instance of Blah using a short parameter because the short can be widened to an int. Reflectively, we can invoke bar() by passing a Short in ...