Polish

spring-context/src/main/java/org/springframework/remoting/support/RemoteInvocationResult.java

@@ -20,7 +20,6 @@ import java.io.Serializable;
 import java.lang.reflect.InvocationTargetException;
 
 import org.springframework.lang.Nullable;
-import org.springframework.util.Assert;
 
 /**
  * Encapsulates a remote invocation result, holding a result value or an exception.

spring-jdbc/src/main/java/org/springframework/jdbc/config/SortedResourcesFactoryBean.java

@@ -30,7 +30,6 @@ import org.springframework.core.io.ResourceLoader;
 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 import org.springframework.core.io.support.ResourcePatternResolver;
 import org.springframework.core.io.support.ResourcePatternUtils;
-import org.springframework.lang.Nullable;
 
 /**
  * {@link FactoryBean} implementation that takes a list of location Strings

spring-messaging/src/main/java/org/springframework/messaging/simp/user/SimpSession.java

@@ -18,8 +18,6 @@ package org.springframework.messaging.simp.user;
 
 import java.util.Set;
 
-import org.springframework.lang.Nullable;
-
 /**
  * Represents a session of connected user.
  *

spring-messaging/src/main/java/org/springframework/messaging/simp/user/SimpSubscription.java

@@ -16,8 +16,6 @@
 
 package org.springframework.messaging.simp.user;
 
-import org.springframework.lang.Nullable;
-
 /**
  * Represents a subscription within a user session.
  *

spring-web/src/main/java/org/springframework/http/server/reactive/AbstractServerHttpResponse.java

@@ -39,7 +39,6 @@ import org.springframework.util.Assert;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
-import org.springframework.util.StringUtils;
 
 /**
  * Base class for {@link ServerHttpResponse} implementations.

spring-web/src/main/java/org/springframework/web/server/session/CookieWebSessionIdResolver.java

@@ -24,7 +24,6 @@ import org.springframework.http.HttpCookie;
 import org.springframework.http.ResponseCookie;
 import org.springframework.util.Assert;
 import org.springframework.util.MultiValueMap;
-import org.springframework.util.StringUtils;
 import org.springframework.web.server.ServerWebExchange;
 
 /**

spring-web/src/test/java/org/springframework/http/codec/json/Jackson2SmileEncoderTests.java

@@ -18,16 +18,11 @@ package org.springframework.http.codec.json;
 
 import java.io.IOException;
 import java.io.UncheckedIOException;
-import java.util.Arrays;
 import java.util.List;
-import java.util.Map;
 
-import com.fasterxml.jackson.annotation.JsonTypeInfo;
-import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.junit.Test;
 import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
 import org.springframework.core.ResolvableType;

spring-web/src/test/java/org/springframework/web/client/ExtractingResponseErrorHandlerTests.java

@@ -32,7 +32,6 @@ import org.springframework.http.converter.json.MappingJackson2HttpMessageConvert
 
 import static org.junit.Assert.*;
 import static org.mockito.BDDMockito.*;
-import static org.mockito.Mockito.mock;
 
 /**
  * @author Arjen Poutsma

spring-webflux/src/main/java/org/springframework/web/reactive/result/method/SyncHandlerMethodArgumentResolver.java

@@ -16,8 +16,6 @@
 
 package org.springframework.web.reactive.result.method;
 
-import java.util.Optional;
-
 import reactor.core.publisher.Mono;
 
 import org.springframework.core.MethodParameter;

spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/RequestHeaderMethodArgumentResolver.java

@@ -18,7 +18,6 @@ package org.springframework.web.reactive.result.method.annotation;
 
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 
 import org.springframework.beans.factory.config.ConfigurableBeanFactory;
 import org.springframework.core.MethodParameter;

spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/SessionAttributeMethodArgumentResolver.java

@@ -16,8 +16,6 @@
 
 package org.springframework.web.reactive.result.method.annotation;
 
-import java.util.Optional;
-
 import reactor.core.publisher.Mono;
 
 import org.springframework.beans.factory.config.ConfigurableBeanFactory;

spring-webflux/src/test/java/org/springframework/web/reactive/result/SimpleUrlHandlerMappingIntegrationTests.java

@@ -18,7 +18,6 @@ package org.springframework.web.reactive.result;
 
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 

spring-webflux/src/test/java/org/springframework/web/reactive/socket/AbstractWebSocketIntegrationTests.java

@@ -21,7 +21,6 @@ import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 
-import org.apache.tomcat.websocket.WsContainerProvider;
 import org.apache.tomcat.websocket.WsWebSocketContainer;
 import org.apache.tomcat.websocket.server.WsContextListener;
 import org.junit.After;

spring-webmvc/src/main/java/org/springframework/web/servlet/resource/CssLinkResourceTransformer.java

@@ -21,9 +21,7 @@ import java.io.StringWriter;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
-import java.util.Set;
 import java.util.SortedSet;
 import java.util.TreeSet;
 import javax.servlet.http.HttpServletRequest;

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/RequestResponseBodyMethodProcessorTests.java

@@ -30,7 +30,6 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonView;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import org.springframework.aop.framework.ProxyFactory;

spring-webmvc/src/test/java/org/springframework/web/servlet/tags/UrlTagTests.java

@@ -16,7 +16,6 @@
 
 package org.springframework.web.servlet.tags;
 
-import java.lang.reflect.Method;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
@@ -30,7 +29,6 @@ import org.junit.Test;
 
 import org.springframework.mock.web.test.MockHttpServletRequest;
 import org.springframework.mock.web.test.MockPageContext;
-import org.springframework.util.ReflectionUtils;
 
 import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;