...
You can generate a fully functioning Sakai app that uses Wicket via the Sakai Wicket Maven Archetype. One command and you are up and running. The Sakai AppBuilder also has Wicket support but it is rather dated. You can also use this quickstart to generate the Maven command to run to generate a sample Wicket application, for learning how to use the components without requiring it to be run up in Sakai first.
If you are using Wicket 1.5 or higher then please review the notes on Wicket 1.5+ in Sakai CLE
Wicket sample code
See the tool list below for examples of tools using Wicket and some real world sample code. There are some minor deviations from the standard Wicket web.xml required for a webapp to work in Sakai, Profile2 has a documented example of the requirements.
...