A simple icon generator
· This simple icon generator is intended to be an icon generation library for multiple toolkits. Currently a 3 implementations are available, one for Java2d (AWT/Swing), one for JavaFX and one for SWT, all available as a separate add-on modules.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window icon-generator-1.4.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.