add slfj logger

spring-boot-modules/spring-boot-xml/src/main/java/com/baeldung/springbootxml/SpringBootXmlApplication.java

@@ -1,15 +1,21 @@
 package com.baeldung.springbootxml;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportResource;
 
-@SpringBootApplication
+@Configuration
+@EnableAutoConfiguration
 @ImportResource("classpath:beans.xml")
 public class SpringBootXmlApplication implements CommandLineRunner {
 
+    private static final Logger logger = LoggerFactory.getLogger(SpringBootXmlApplication.class);
+
     @Autowired private Pojo pojo;
 
     public static void main(String[] args) {
@@ -17,7 +23,7 @@ public class SpringBootXmlApplication implements CommandLineRunner {
     }
 
     public void run(String... args) {
-        System.out.println(pojo.getField());
+        logger.info(pojo.getField());
     }
 
 }