Logger Concept

By: anujs5*** On: Sat Jul 01 10:35:58 IST 2017     0 0 0	0
Dear Sir, Please detail concept of Logger class.I mean to say that where keep the Log4j file in Eclipse,how to use logger class in own java code and the see the log in log file. Best Regards and Thanks Anuj kumar singh 9650304292	0