Java Unified Expression Language
· Implementation of the Java Unified Expression Language as specified
by the Expression Language Specification, Version 2.1 (JEE5, part of
the JSP 2.1 standard [JSR-245]), plus maintenance release 2.2 (JEE6).
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 juel-parent-2.2.7.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.