Fix checkstyle errors

(cherry picked from commit bd98343b9c)

servlet/spring-boot/java/authentication/username-password/mfa/src/main/java/example/MfaApplication.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import java.util.HashMap;

servlet/spring-boot/java/authentication/username-password/mfa/src/test/java/example/MfaApplicationTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import com.j256.twofactorauth.TimeBasedOneTimePasswordUtil;

servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/src/integTest/java/example/HelloSecurityExplicitITests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/src/main/java/example/UserController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.web.bind.annotation.GetMapping;

servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/src/main/java/example/UserDetailsServiceApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import java.util.HashMap;

servlet/spring-boot/java/authentication/username-password/user-details-service/custom-user/src/test/java/example/UserDetailsServiceApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/hello-security-explicit/src/integTest/java/example/HelloSecurityExplicitITests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import example.pages.HomePage;

servlet/spring-boot/java/hello-security-explicit/src/integTest/java/example/pages/HomePage.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example.pages;
 
 import org.openqa.selenium.WebDriver;

servlet/spring-boot/java/hello-security-explicit/src/integTest/java/example/pages/LoginPage.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example.pages;
 
 import org.openqa.selenium.WebDriver;

servlet/spring-boot/java/hello-security-explicit/src/main/java/example/HelloSecurityExplicitApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/hello-security-explicit/src/main/java/example/IndexController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.stereotype.Controller;

servlet/spring-boot/java/hello-security-explicit/src/test/java/example/HelloSecurityExplicitApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/hello-security/src/main/java/example/HelloSecurityApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/hello-security/src/main/java/example/IndexController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.stereotype.Controller;

servlet/spring-boot/java/hello-security/src/test/java/example/HelloSecurityApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/hello/src/main/java/example/HelloApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/hello/src/main/java/example/IndexController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.stereotype.Controller;

servlet/spring-boot/java/hello/src/test/java/example/HelloApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/login/src/integTest/java/example/OAuth2LoginApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import java.net.URI;

servlet/spring-boot/java/oauth2/login/src/main/java/example/OAuth2LoginApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/login/src/main/java/example/web/OAuth2LoginController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example.web;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;

servlet/spring-boot/java/oauth2/resource-server/hello-security/src/integTest/java/example/OAuth2ResourceServerApplicationITests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/hello-security/src/main/java/example/OAuth2ResourceServerApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/resource-server/hello-security/src/main/java/example/OAuth2ResourceServerController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;

servlet/spring-boot/java/oauth2/resource-server/hello-security/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.beans.factory.annotation.Value;

servlet/spring-boot/java/oauth2/resource-server/hello-security/src/main/java/org/springframework/boot/env/package-info.java

@@ -20,4 +20,5 @@
  *
  * @author Rob Winch
  */
+
 package org.springframework.boot.env;

servlet/spring-boot/java/oauth2/resource-server/hello-security/src/test/java/example/OAuth2ResourceServerControllerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/jwe/src/integTest/java/example/OAuth2ResourceServerApplicationITests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/jwe/src/main/java/example/OAuth2ResourceServerApplication.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/resource-server/jwe/src/main/java/example/OAuth2ResourceServerController.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;

servlet/spring-boot/java/oauth2/resource-server/jwe/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import java.net.URL;

servlet/spring-boot/java/oauth2/resource-server/jwe/src/main/java/org/springframework/boot/env/package-info.java

@@ -19,4 +19,5 @@
  * {@link org.springframework.core.env.Environment}.
  * @author Rob Winch
  */
+
 package org.springframework.boot.env;

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/integTest/java/example/OAuth2ResourceServerApplicationITests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/example/OAuth2ResourceServerApplication.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/example/OAuth2ResourceServerController.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import java.util.HashMap;

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/org/springframework/boot/env/package-info.java

@@ -19,4 +19,5 @@
  * {@link org.springframework.core.env.Environment}.
  * @author Rob Winch
  */
+
 package org.springframework.boot.env;

servlet/spring-boot/java/oauth2/resource-server/opaque/src/integTest/java/example/OAuth2ResourceServerApplicationITests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/opaque/src/main/java/example/OAuth2ResourceServerApplication.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/resource-server/opaque/src/main/java/example/OAuth2ResourceServerController.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;

servlet/spring-boot/java/oauth2/resource-server/opaque/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.beans.factory.annotation.Value;

servlet/spring-boot/java/oauth2/resource-server/opaque/src/main/java/org/springframework/boot/env/package-info.java

@@ -20,4 +20,5 @@
  *
  * @author Rob Winch
  */
+
 package org.springframework.boot.env;

servlet/spring-boot/java/oauth2/resource-server/opaque/src/test/java/example/OAuth2ResourceServerControllerTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/static/src/integTest/java/example/OAuth2ResourceServerApplicationITests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.junit.jupiter.api.Test;

servlet/spring-boot/java/oauth2/resource-server/static/src/main/java/example/OAuth2ResourceServerApplication.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/resource-server/static/src/main/java/example/OAuth2ResourceServerController.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.security.core.annotation.AuthenticationPrincipal;

servlet/spring-boot/java/oauth2/resource-server/static/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import java.security.interfaces.RSAPublicKey;

servlet/spring-boot/java/oauth2/webclient/src/main/java/example/OAuth2WebClientApplication.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.boot.SpringApplication;

servlet/spring-boot/java/oauth2/webclient/src/main/java/example/OAuth2WebClientController.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.stereotype.Controller;

servlet/spring-boot/java/oauth2/webclient/src/main/java/example/RegisteredOAuth2AuthorizedClientController.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;

servlet/spring-boot/java/oauth2/webclient/src/main/java/example/SecurityConfiguration.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example;
 
 import org.springframework.context.annotation.Bean;