Steps for Compile and Run Log4j program

Steps for  compile and run log4j program :

To compile and run applications, we need to set log4j-1.2.17.jar in classpath.

To compile and run application, we need to set log4j-1.2.17.jar file.

step1: set the classpath

              ->set CLASSPATH=log4j-1.2.17.jar;.;

step2: develop a java application with log messages.

                        package com.dustbin.test;

                        import org.apache.log4j.Logger;

                        public class Sample {

                        static Logger logger=Logger.getLogger(Sample.class);

                        public static void main(String[] args) {

                   BasicConfigurator.configure();

                   logger.info("info message");

                   logger.warn("warn message");

                   logger.error("error message");

                   logger.fatal("fatal message");

                   logger.debug("debug msg");

                                      }

                             }

step3: print a log messages on console

Output:

                   0 [main] INFO com.dustbin.test.Sample  - info message

                   0 [main] WARN com.dustbin.test.Sample  - warn message

                   0 [main] ERROR com.dustbin.test.Sample  - error message

                   0 [main] FATAL com.dustbin.test.Sample  - fatal message

                   0 [main] DEBUG com.dustbin.test.Sample  - debug msg