Refactor Eager Loading vs Lazy Loading

spring-boot/src/main/java/org/baeldung/main/SpringBootApplication.java

@@ -1,8 +1,5 @@
 package org.baeldung.main;
 
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
 import org.baeldung.common.error.SpringHelloServletRegistrationBean;
 import org.baeldung.common.resources.ExecutorServiceExitCodeGenerator;
 import org.baeldung.controller.servlet.HelloWorldServlet;
@@ -17,6 +14,9 @@ import org.springframework.context.annotation.ComponentScan;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
 @RestController
 @EnableAutoConfiguration
 @ComponentScan({ "org.baeldung.common.error", "org.baeldung.common.error.controller", "org.baeldung.common.properties", "org.baeldung.common.resources", "org.baeldung.endpoints", "org.baeldung.service", "org.baeldung.monitor.jmx", "org.baeldung.service" })
@@ -55,28 +55,6 @@ public class SpringBootApplication {
         return bean;
     }
 
-    /*    @Bean
-    public JettyEmbeddedServletContainerFactory  jettyEmbeddedServletContainerFactory() {
-        JettyEmbeddedServletContainerFactory jettyContainer = new JettyEmbeddedServletContainerFactory();
-        jettyContainer.setPort(9000);
-        jettyContainer.setContextPath("/springbootapp");
-        return jettyContainer;
-    }
-    
-    @Bean
-    public UndertowEmbeddedServletContainerFactory embeddedServletContainerFactory() {
-        UndertowEmbeddedServletContainerFactory factory = new UndertowEmbeddedServletContainerFactory();
-        factory.addBuilderCustomizers(new UndertowBuilderCustomizer() {
-    
-            @Override
-            public void customize(io.undertow.Undertow.Builde builder) {
-                builder.addHttpListener(8080, "0.0.0.0");
-            }
-    
-        });
-        return factory;
-    }*/
-
     @Bean
     @Autowired
     public ExecutorServiceExitCodeGenerator executorServiceExitCodeGenerator(ExecutorService executorService) {