diff --git a/spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyPlaceholderConfigurer.java b/spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyPlaceholderConfigurer.java
index 56e69745e8..2d53637d8c 100644
--- a/spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyPlaceholderConfigurer.java
+++ b/spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyPlaceholderConfigurer.java
@@ -34,8 +34,8 @@ import org.springframework.util.StringValueResolver;
  *
  * <p>As of Spring 3.1, {@link org.springframework.context.support.PropertySourcesPlaceholderConfigurer
  * PropertySourcesPlaceholderConfigurer} should be used preferentially over this implementation; it is
- * more flexible through taking advantage of the {@link org.springframework.core.env.Environment Environment} and
- * {@link org.springframework.core.env.PropertySource PropertySource} mechanisms also made available in Spring 3.1.
+ * more flexible through taking advantage of the {@link org.springframework.core.env.Environment} and
+ * {@link org.springframework.core.env.PropertySource} mechanisms also made available in Spring 3.1.
  *
  * <p>{@link PropertyPlaceholderConfigurer} is still appropriate for use when:
  * <ul>
@@ -118,8 +118,8 @@ public class PropertyPlaceholderConfigurer extends PlaceholderConfigurerSupport
 	 * to pass external values in as JVM system properties: This can easily be
 	 * achieved in a startup script, even for existing environment variables.
 	 * @see #setSystemPropertiesMode
-	 * @see java.lang.System#getProperty(String)
-	 * @see java.lang.System#getenv(String)
+	 * @see System#getProperty(String)
+	 * @see System#getenv(String)
 	 */
 	public void setSearchSystemEnvironment(boolean searchSystemEnvironment) {
 		this.searchSystemEnvironment = searchSystemEnvironment;
diff --git a/spring-websocket/src/test/java/org/springframework/web/socket/config/MessageBrokerBeanDefinitionParserTests.java b/spring-websocket/src/test/java/org/springframework/web/socket/config/MessageBrokerBeanDefinitionParserTests.java
index 1279f4ca53..ccc91ab8da 100644
--- a/spring-websocket/src/test/java/org/springframework/web/socket/config/MessageBrokerBeanDefinitionParserTests.java
+++ b/spring-websocket/src/test/java/org/springframework/web/socket/config/MessageBrokerBeanDefinitionParserTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -320,7 +320,7 @@ public class MessageBrokerBeanDefinitionParserTests {
 				"processed CONNECT\\(0\\)-CONNECTED\\(0\\)-DISCONNECT\\(0\\)\\], " +
 				"inboundChannel\\[pool size = \\d, active threads = \\d, queued tasks = \\d, " +
 				"completed tasks = \\d\\], " +
-				"outboundChannelpool size = \\d, active threads = \\d, queued tasks = \\d, " +
+				"outboundChannel\\[pool size = \\d, active threads = \\d, queued tasks = \\d, " +
 				"completed tasks = \\d\\], " +
 				"sockJsScheduler\\[pool size = \\d, active threads = \\d, queued tasks = \\d, " +
 				"completed tasks = \\d\\]";
@@ -442,27 +442,23 @@ public class MessageBrokerBeanDefinitionParserTests {
 	}
 
 
-	private void testChannel(String channelName, List<Class<? extends  MessageHandler>> subscriberTypes,
-			int interceptorCount) {
+	private void testChannel(
+			String channelName, List<Class<? extends  MessageHandler>> subscriberTypes, int interceptorCount) {
 
 		AbstractSubscribableChannel channel = this.appContext.getBean(channelName, AbstractSubscribableChannel.class);
-
 		for (Class<? extends  MessageHandler> subscriberType : subscriberTypes) {
 			MessageHandler subscriber = this.appContext.getBean(subscriberType);
-			assertNotNull("No subsription for " + subscriberType, subscriber);
+			assertNotNull("No subscription for " + subscriberType, subscriber);
 			assertTrue(channel.hasSubscription(subscriber));
 		}
-
 		List<ChannelInterceptor> interceptors = channel.getInterceptors();
 		assertEquals(interceptorCount, interceptors.size());
 		assertEquals(ImmutableMessageChannelInterceptor.class, interceptors.get(interceptors.size()-1).getClass());
 	}
 
 	private void testExecutor(String channelName, int corePoolSize, int maxPoolSize, int keepAliveSeconds) {
-
 		ThreadPoolTaskExecutor taskExecutor =
 				this.appContext.getBean(channelName + "Executor", ThreadPoolTaskExecutor.class);
-
 		assertEquals(corePoolSize, taskExecutor.getCorePoolSize());
 		assertEquals(maxPoolSize, taskExecutor.getMaxPoolSize());
 		assertEquals(keepAliveSeconds, taskExecutor.getKeepAliveSeconds());
@@ -480,6 +476,7 @@ public class MessageBrokerBeanDefinitionParserTests {
 		return (handler instanceof WebSocketHandlerDecorator) ?
 				((WebSocketHandlerDecorator) handler).getLastHandler() : handler;
 	}
+
 }
 
 
@@ -506,7 +503,6 @@ class CustomReturnValueHandler implements HandlerMethodReturnValueHandler {
 
 	@Override
 	public void handleReturnValue(Object returnValue, MethodParameter returnType, Message<?> message) throws Exception {
-
 	}
 }
 
@@ -537,12 +533,15 @@ class TestWebSocketHandlerDecorator extends WebSocketHandlerDecorator {
 class TestStompErrorHandler extends StompSubProtocolErrorHandler {
 }
 
+
 class TestValidator implements Validator {
+
 	@Override
 	public boolean supports(Class<?> clazz) {
 		return false;
 	}
 
 	@Override
-	public void validate(@Nullable Object target, Errors errors) { }
+	public void validate(@Nullable Object target, Errors errors) {
+	}
 }
diff --git a/spring-websocket/src/test/java/org/springframework/web/socket/config/annotation/WebSocketMessageBrokerConfigurationSupportTests.java b/spring-websocket/src/test/java/org/springframework/web/socket/config/annotation/WebSocketMessageBrokerConfigurationSupportTests.java
index aa67273e08..cf06261a04 100644
--- a/spring-websocket/src/test/java/org/springframework/web/socket/config/annotation/WebSocketMessageBrokerConfigurationSupportTests.java
+++ b/spring-websocket/src/test/java/org/springframework/web/socket/config/annotation/WebSocketMessageBrokerConfigurationSupportTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -48,7 +48,6 @@ import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.servlet.HandlerMapping;
 import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
-import org.springframework.web.socket.TextMessage;
 import org.springframework.web.socket.WebSocketHandler;
 import org.springframework.web.socket.WebSocketSession;
 import org.springframework.web.socket.config.WebSocketMessageBrokerStats;
@@ -61,16 +60,11 @@ import org.springframework.web.socket.messaging.SubProtocolHandler;
 import org.springframework.web.socket.messaging.SubProtocolWebSocketHandler;
 import org.springframework.web.socket.server.support.WebSocketHttpRequestHandler;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.mock;
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
 
 /**
- * Test fixture for
- * {@link org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurationSupport}.
+ * Test fixture for {@link WebSocketMessageBrokerConfigurationSupport}.
  *
  * @author Rossen Stoyanchev
  */
@@ -100,8 +94,8 @@ public class WebSocketMessageBrokerConfigurationSupportTests {
 		session.setOpen(true);
 		webSocketHandler.afterConnectionEstablished(session);
 
-		TextMessage textMessage = StompTextMessageBuilder.create(StompCommand.SEND).headers("destination:/foo").build();
-		webSocketHandler.handleMessage(session, textMessage);
+		webSocketHandler.handleMessage(session,
+				StompTextMessageBuilder.create(StompCommand.SEND).headers("destination:/foo").build());
 
 		Message<?> message = channel.messages.get(0);
 		StompHeaderAccessor accessor = StompHeaderAccessor.getAccessor(message, StompHeaderAccessor.class);
@@ -177,7 +171,7 @@ public class WebSocketMessageBrokerConfigurationSupportTests {
 				"stompSubProtocol\\[processed CONNECT\\(0\\)-CONNECTED\\(0\\)-DISCONNECT\\(0\\)\\], " +
 				"stompBrokerRelay\\[null\\], " +
 				"inboundChannel\\[pool size = \\d, active threads = \\d, queued tasks = \\d, completed tasks = \\d\\], " +
-				"outboundChannelpool size = \\d, active threads = \\d, queued tasks = \\d, completed tasks = \\d\\], " +
+				"outboundChannel\\[pool size = \\d, active threads = \\d, queued tasks = \\d, completed tasks = \\d\\], " +
 				"sockJsScheduler\\[pool size = \\d, active threads = \\d, queued tasks = \\d, completed tasks = \\d\\]";
 
 		assertTrue("\nExpected: " + expected.replace("\\", "") + "\n  Actual: " + actual, actual.matches(expected));