The Java 2 SDK organizes its vast collection of classes and interfaces into a tree-like hierarchy of packages within packages, which is equivalent to directories within directories.

In Java, it is considered best practice to camel case when choosing class names with the first word capitalized. Camel case simply means that you remove all spaces and use capitalization for each ...

Adding drag-and-drop support to JTrees has been covered already in Java Tip 97: Add Drag and Drop to Your JTrees.I encourage you to read that tip first to get a good understanding of the drag-and ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...