Sometime configuring Log4j using XML or properties file looks annoying, especially if your program not able to find them because of some classpath issues, wouldn't it be nice if you can configure and use Log4j without using any configuration file e.g. XML or properties. Well, Log4j people has thought about it and they provide a BasicConfigurator class to configure log4j programmatically, thought this is not as rich as there XML and properties file version is, but it's really handy for quickly incorporating Log4j in your Java program. One of the reason programmer prefer to use System.out.println() over Log4j, of-course for testing purpose, because it doesn't require any configuration, you can just use it, without bothering about XML or properties file configuration, but most programmer will agree that, they would prefer to use Log4j over println statements, even for test programs if it's easy to set them up. By the way, for production use prefer SLF4J over Log4J. In this Java tutorial, we will see a nice little tip to use Log4j right away by configuring in couple of lines. In fact you can configure Log4J in just one line, if you intend to use there basic configuration which set's the log level as DEBUG.
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