What is SLF4J?
I believe that SLF4J is not a new concept for most of the java developers. Here we are going to look at the MDC feature of the logging framework. If you need to brush up your knowledge on SLF4J, here it is the time.
The Simple Logging Facade for Java (SLF4J) serves as a simple facade or abstraction for various logging frameworks, such as java.util.logging, logback and log4j.
SLF4J allows the end-user to plug in the desired logging framework at deployment time.