slf4j_vari_tutorial

http://www.baptiste-wicht.com/2010/02/logging-with-slf4j/

http://www.insideit.fr/post/2009/11/23/SLF4J-LOGBack

http://javajing.com/2012/06/08/slf4j.html

Logging using Log4j and SLF4J in Java SE application

http://www.youtube.com/watch?v=DhzYmpxzdnk&list=PLA9AAC2725C42C334

con netbeans

Log file creation for real time java applications

http://www.youtube.com/watch?v=brWB4XV34VI

Log4j (w/ xml configuration file) – Tutorial 03

http://www.youtube.com/watch?v=C4DzcuBTfWc