Build the project with Maven. (eg: mvn clean install).
Once you have got the CSRFSyncT.war file in the target directory, deploy it in a web server (eg: In tomcat, copy the .war file from the target directory and paste it on webapps directory in tomcat).
You can access the application with the URL http://localhost:(port)/CSRFSyncT
For more information about CSRF Synchronizer Token pattern, visit http://gglcybertech.blogspot.com/2018/10/cross-site-request-forgery-csrf.html :)