JAMon Parent
· The Java Application Monitor (JAMon) is a free, simple, high performance, thread safe, Java API that allows developers to easily monitor production applications.
1) It contains the ability to monitor JDBC/SQL, web page requests, ejb's, log4j, interfaces and more.
2) It tracks aggregate stats for each sql statement, page request etc. and also lets you look at this information and more via the JAMon war.
3) You can also access JAMon statistics via the api
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 jamon-parent-2.82.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.