@@ -0,0 +1,632 @@
+import org.apache.logging.log4j.LogManager;%0Aimport org.apache.logging.log4j.Logger;%0A%0Apublic class HelloLog4J2ConfigSysProp %7B%0A    static final Logger logger = LogManager.getLogger();%0A    public static void main(String... args) %7B%0A        System.out.println(%22Hello Log4J2 Config System Property!%22);%0A        %0A        System.out.println(String.format(%22log4j.configurationFile=%25s%22,%0A            System.getProperty(%22log4j.configurationFile%22)));%0A%0A        logger.info(%22This is an info entry%22);%0A        logger.debug(%22This is a debug entry%22);%0A        logger.warn(%22This is a warn entry%22);%0A        logger.error(%22This is an error entry%22);%0A    %7D%0A%7D%0A

Create Log4J2ConfigSysProp.java