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Log4j is a Java-based logging utility that allows developers to log messages and exceptions in their applications. It is a widely used logging framework and is used by many large organizations and software projects. In this tutorial, we will explore the basics of Log4j and how to use it in your Java applications.
Here one question may come what do we mean by “Framework”?
A framework is nothing but a partially or semi-built application. One can use it for building other software.
The log4j jar file (or dependency if you use Maven/Gradle) needs to be added to the project if you want to use log4j.