Oracle Tools
· A set of open source runtime tools and utilities for use with
products developed by, with or in part Oracle Corporation.
Developed as part of the Oracle Coherence Community, though Oracle
Coherence is not really required.
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 oracle-tools-2.0.0-RC9.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.