Introduction - If you have any usage issues, please Google them yourself
Log4J is the Apache Software Foundation Jakarta under a subproject is prepared to use Java logging toolkit outstanding. Log4J can be adopted without amending the code, the convenience, flexibility to control arbitrary granularity of the log information of the open or closed, then use the custom format, the log information output to one or more needed. Most interesting is that these can be through a configuration file to configure a flexible manner, without modifying application code.
Packet : 11912902log4j.rar filelist
log4j演示代码\log4j-1.2.8.jar
log4j演示代码\log4j.properties
log4j演示代码\log4j.rar
log4j演示代码\prjdemo.rar
log4j演示代码