Most new Java developers quickly learn that they should generally compare Java Strings using String.equals(Object) rather than using ==. This is emphasized and reinforced to new developers repeatedly ...

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...

Departing from traditional practice for JavaWorld’s Tips ‘N Tricks column, I will talk about when not to use a previously suggested trick. Specifically, the typesafe enum construct, covered in JDC ...

Q. I'm working on a tool to support my internal framework. This tool needs to include a combo box that contains a list that is specific to a particular project. The framework tool assembly doesn't ...