Java Library for Promises - GWT module
· An implementation of Promises in Java based on the JavaScript Promises/A+ specification, with adapters for AWT and GWT. This artifact contains a GWT module with packaged sources.
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 jpromises-gwt-0.3.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.