Figure 4.

Classes useful for GUI development. An overview of classes useful for GUI development. Boxes denote classes, and rounded boxes denote interfaces. Inheritance and interface implementation is denoted with a connecting line (where the arrowhead denotes the superclass or interface). Classes and interfaces that are part of standard Java/Swing are coloured blue. The bottom screenshot is an example of a user interface from the DISCOVERYspace application (Zuyderduyn S et al., in preparation), created using the API.