log4j.appender.consoleAppender=org.nlog4j.appenders.ConsoleAppender log4j.appender.consoleAppender.target=System.out log4j.appender.consoleAppender.layout=org.nlog4j.layouts.PatternLayout log4j.appender.consoleAppender.layout.pattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n log4j.rootLogger=INFO, console import org.nlog4j.Logger; public class MyClass { private static final Logger LOGGER = Logger.getLogger(MyClass.class); public static void main(String[] args) { LOGGER.trace("This is a trace log message"); LOGGER.debug("This is a debug log message"); LOGGER.info("This is an info log message"); LOGGER.warn("This is a warning log message"); LOGGER.error("This is an error log message"); LOGGER.fatal("This is a fatal log message"); } }