1. the Java package design analyser
JDepend
the Java package design analyser

2. Table Of Contents Why use JDepend? How to install JDepend?
How to use JDepend?
How to understand the output in JDepend?
Sources

3. Why use JDepend? JDepend automatically measures: extensibility
reusability
maintainability
of a package to manage and control its dependencie effectively

4. Install JDepend Download JDepend from
Put the downloaded .jar file into the Eclipse plugin directory
Restart Eclipse (only if it is already opened)
Installation complete

5. How to use JDepend?
1. press right mouse button onto the sourcefolder you would like to analyse
2. select „Run JDepend analysis“ to start JDepend

6. How to use JDepend?
Shows all subpackages. Select the package you want to analyse

7. How to use JDepend? different values appear explanation on next page
shows all packages with circular dependency
shows packages where our selected package is addicted to
shows packages which are addicted to our selected one
shows the instability and abstractness of the selected package

8. How to understand the output in JDepend
CC (Concrete Classes): Number of Concrete Classes in package
AC (Abstract Classes): Number of abstract classes and interfaces in package
Ca (Afferent Couplings): Number of packages which are addicted to the selected package
Ce (Efferent Couplings): Number of packages which our selected package is addicted to
A (Abstractness): Number of abstract classes in percent
I (Instability): Shows instability of the package (stable = 0, instable = 1)
D (Distance): The Factor of a good balanced software is about 1 (A+I)
Package Dependeny Cycles: Shows if the package has circular dependencies

9. Thanks for your attention!!!
Sources
This presentation will be available at very soon ;-)
Thanks for your attention!!!