What is the difference between log4j, slf4j and logback?

Question

I am little bit confused by these three logger libraries. It seems like that they can do the similar thing in java logging...

Answer 1

This link : https://medium.com/@krishankantsinghal/logback-slf4j-log4j2-understanding-them-and-learn-how-to-use-d33deedd0c46

Explains the differences in detail.

Quoting from there

Slf4j

So Basically Simple Logging Facade for Java serves as a simple facade or abstraction for various logging frameworks allowing the end user to plug in the desired logging framework at deployment time.

log4j2

Log4j,Logback and java.util.Logger are logging libraries which actually write the logs and have their own pros and cons. As industry standards are Log4j2 and logback

I would recommend going through the blog. It provides all the glory details how both are used with adapter.