@@ -0,0 +1,474 @@
+import org.slf4j.Logger;%0Aimport org.slf4j.LoggerFactory;%0A%0Apublic class HelloSLF4JLog4J %7B%0A    private static Logger logger = LoggerFactory.getLogger(HelloSLF4JLog4J.class);%0A%0A    public static void main(String... args) %7B%0A        System.out.println(%22Hello SLF4J Log4J!%22);%0A        logger.info(%22This is an info message%22);%0A        logger.debug(%22This is a debug message%22);%0A        logger.warn(%22This is a warning message%22);%0A        logger.error(%22This is an error message%22);%0A    %7D%0A%7D%0A

Create HelloSLF4JLog4J.java