I've spent the past few days looking up Java window transitions that work with Swing components & containers (JFrame, JPanel, etc.).
Yes, there are packages such as JavaFX which includes a Timeline & Transition framework. I also came across these:
Trident: Project Kenai — We're More Than Just a Forge
FRC: Filthy Rich Clients (find the Animation jar (org.jdesktop.animation))
However, I've been impatient lately
AWT (the Abstract Windowing Toolkit) was the first Java GUI toolkit, introduced with JDK 1.0 as one component of the Sun Microsystems Java standard. The relatively primitive AWT wrapped Java code around native (operating system-supplied) objects to create GUI elements, such as menus, windows and buttons. AWT was a very thin wrapper around native widgets, exposing developers to platform specific code, quirks and bugs that limited how portable and native-looking applications could be across different