package myorg.mypackage.ex1;
   
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   
   public class App {
       private static Logger logger = LoggerFactory.getLogger(App.class);
   
       public int returnOne() { 
          //System.out.println( "Here's One!" );
          logger.debug( "Here's One!" );
          return 1; 
      }
  
      public static void main( String[] args ) {
          //System.out.println( "Hello World!" );
          logger.info( "Hello World!" );
      }
  }