Log4j Example

In this article, you will see very basic logging configuration.

First create a new Java Project and configure it as Maven Project. For Reference, Click Here

Add the following dependencies in pom.xml


Log4j in Java Program

The following Java class is a very simple example that initializes, and then uses, the Log4J logging library for Java applications. Use BasicConfigurator.configure() method which logs all the messages on the console.

package com.kruders;

import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Logger;

public class HelloWorld {
static final Logger logger = Logger.getLogger(HelloWorld.class);
	public static void main(String[] args) {
		logger.info("Hello World!!!");

When you run the above example you’ll get an output like:

0 [main] INFO com.kruders.HelloWorld – Hello World!!!

You can download the source code of this example here.


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