diff --git a/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/WebClientConfiguration.java b/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/WebClientConfiguration.java
index 2e52bbd..417a415 100644
--- a/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/WebClientConfiguration.java
+++ b/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/WebClientConfiguration.java
@@ -1,5 +1,7 @@
 package io.reflectoring.springboot.testconfiguration;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -9,6 +11,7 @@ import org.springframework.web.reactive.function.client.WebClient;
 
 @Configuration
 public class WebClientConfiguration {
+    private static final Logger LOGGER = LoggerFactory.getLogger(WebClientConfiguration.class);
     @Bean
     public WebClient getWebClient(final WebClient.Builder builder,
                                   @Value("${data.service.endpoint:https://google.com}") final String url) {
@@ -16,7 +19,7 @@ public class WebClientConfiguration {
                 .defaultHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
                 // more configurations and customizations
                 .build();
-        System.out.println("WebClient Instance Created During Testing: " + webClient.toString());
+        LOGGER.info("WebClient Bean Instance: {}", webClient);
         return webClient;
     }
 }
diff --git a/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/service/DataService.java b/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/service/DataService.java
index 924c3ed..2409d89 100644
--- a/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/service/DataService.java
+++ b/spring-boot/spring-boot-testconfiguration/src/main/java/io/reflectoring/springboot/testconfiguration/service/DataService.java
@@ -1,13 +1,16 @@
 package io.reflectoring.springboot.testconfiguration.service;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 import org.springframework.web.reactive.function.client.WebClient;
 
 @Service
 public class DataService {
+    private static final Logger LOGGER = LoggerFactory.getLogger(DataService.class);
     private final WebClient webClient;
     public DataService(final WebClient webClient) {
         this.webClient = webClient;
-        System.out.println("WebClient instance " + this.webClient.toString());
+        LOGGER.info("WebClient instance {}", this.webClient);
     }
 }
diff --git a/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/UsingStaticInnerTestConfiguration.java b/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/UsingStaticInnerTestConfiguration.java
index 66e5d57..fdaa41d 100644
--- a/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/UsingStaticInnerTestConfiguration.java
+++ b/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/UsingStaticInnerTestConfiguration.java
@@ -2,6 +2,8 @@ package io.reflectoring.springboot.testconfiguration;
 
 import io.reflectoring.springboot.testconfiguration.service.DataService;
 import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.TestConfiguration;
@@ -21,13 +23,13 @@ public class UsingStaticInnerTestConfiguration {
 
     @TestConfiguration
     public static class WebClientTestConfiguration {
+        private static final Logger LOGGER = LoggerFactory.getLogger(WebClientTestConfiguration.class);
         @Bean
         public WebClient getWebClient(final WebClient.Builder builder) {
             WebClient webClient = builder
                     .baseUrl("http://localhost")
                     .build();
-            System.out.println("WebClient Instance Created During Testing, using static inner class: "
-                    + webClient.toString());
+            LOGGER.info("WebClient Instance Created During Testing, using static inner class: {}", webClient);
             return webClient;
         }
     }
diff --git a/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/WebClientTestConfiguration.java b/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/WebClientTestConfiguration.java
index cc1efa1..4783417 100644
--- a/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/WebClientTestConfiguration.java
+++ b/spring-boot/spring-boot-testconfiguration/src/test/java/io/reflectoring/springboot/testconfiguration/WebClientTestConfiguration.java
@@ -1,18 +1,20 @@
 package io.reflectoring.springboot.testconfiguration;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Primary;
 import org.springframework.web.reactive.function.client.WebClient;
 
 @TestConfiguration
 public class WebClientTestConfiguration {
+    private static final Logger LOGGER = LoggerFactory.getLogger(UsingStaticInnerTestConfiguration.WebClientTestConfiguration.class);
     @Bean
     public WebClient getWebClient(final WebClient.Builder builder) {
         WebClient webClient = builder
                 .baseUrl("http://localhost")
                 .build();
-        System.out.println("WebClient Instance Created During Testing: " + webClient.toString());
+        LOGGER.info("WebClient Instance Created During Testing: {}", webClient);
         return webClient;
     }
 }