All BUG applications today use Java's original GUI library, the Abstract Window Toolkit (AWT). It runs really efficiently, but has limited featured compared to the modern widely used libraires. The primary alternatives are Swing, SWT, LWUIT and Java-GNOME. Swing and SWT are the most popular Java GUI toolkits today, and LWUIT and Java-GNOME are interesting but not as popular. Every Java devloper has a favorite in the Swing vs SWT debate, but for the BUG...