Use Map#forEach instead of Map#entrySet#forEach

See gh-1449

spring-beans/src/main/java/org/springframework/beans/factory/BeanFactoryUtils.java

@@ -265,10 +265,10 @@ public abstract class BeanFactoryUtils {
 			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory) {
 				Map<String, T> parentResult = beansOfTypeIncludingAncestors(
 						(ListableBeanFactory) hbf.getParentBeanFactory(), type);
-				parentResult.entrySet().forEach(entry -> {
-					String beanName = entry.getKey();
+
+				parentResult.forEach((beanName, beanType) -> {
 					if (!result.containsKey(beanName) && !hbf.containsLocalBean(beanName)) {
-						result.put(beanName, entry.getValue());
+						result.put(beanName, beanType);
 					}
 				});
 			}
@@ -314,11 +314,10 @@ public abstract class BeanFactoryUtils {
 			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory) {
 				Map<String, T> parentResult = beansOfTypeIncludingAncestors(
 						(ListableBeanFactory) hbf.getParentBeanFactory(), type, includeNonSingletons, allowEagerInit);
-				
-				parentResult.entrySet().forEach(entry -> {
-					String beanName = entry.getKey();
+
+				parentResult.forEach((beanName, beanType) -> {
 					if (!result.containsKey(beanName) && !hbf.containsLocalBean(beanName)) {
-						result.put(beanName, entry.getValue());
+						result.put(beanName, beanType);
 					}
 				});
 			}

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java

@@ -1187,12 +1187,11 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 			}
 		}
 		if (!this.customEditors.isEmpty()) {
-			this.customEditors.entrySet().forEach(entry -> {
-				Class<?> requiredType = entry.getKey();
-				Class<? extends PropertyEditor> editorClass = entry.getValue();
-				registry.registerCustomEditor(requiredType, BeanUtils.instantiateClass(editorClass));
-			});
-		}
+      this.customEditors.forEach(
+        (requiredType, editorClass)
+            -> registry.registerCustomEditor(requiredType, BeanUtils.instantiateClass(editorClass))
+      );
+    }
 	}
 
 

spring-context/src/main/java/org/springframework/validation/support/BindingAwareConcurrentModel.java

@@ -48,7 +48,7 @@ public class BindingAwareConcurrentModel extends ConcurrentModel {
 
 	@Override
 	public void putAll(Map<? extends String, ?> map) {
-		map.entrySet().forEach(e -> removeBindingResultIfNecessary(e.getKey(), e.getValue()));
+		map.forEach(this::removeBindingResultIfNecessary);
 		super.putAll(map);
 	}
 

spring-core/src/main/java/org/springframework/util/LinkedMultiValueMap.java

@@ -195,8 +195,7 @@ public class LinkedMultiValueMap<K, V> implements MultiValueMap<K, V>, Serializa
 	 */
 	public LinkedMultiValueMap<K, V> deepCopy() {
 		LinkedMultiValueMap<K, V> copy = new LinkedMultiValueMap<>(this.targetMap.size());
-		this.targetMap.entrySet().forEach(entry -> 
-			copy.put(entry.getKey(), new LinkedList<>(entry.getValue())));
+		this.targetMap.forEach((k, v) -> copy.put(k, new LinkedList<>(v)));
 		
 		return copy;
 	}

spring-web/src/main/java/org/springframework/web/util/UriUtils.java

@@ -194,9 +194,9 @@ public abstract class UriUtils {
 	 */
 	public static Map<String, String> encodeUriVariables(Map<String, ?> uriVariables) {
 		Map<String, String> result = new LinkedHashMap<>(uriVariables.size());
-		uriVariables.entrySet().stream().forEach(entry -> {
-			String stringValue = (entry.getValue() != null ? entry.getValue().toString() : "");
-			result.put(entry.getKey(), encode(stringValue, StandardCharsets.UTF_8));
+		uriVariables.forEach((key, value) -> {
+			String stringValue = (value != null ? value.toString() : "");
+			result.put(key, encode(stringValue, StandardCharsets.UTF_8));
 		});
 		return result;
 	}

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultClientRequestBuilder.java

@@ -175,10 +175,11 @@ class DefaultClientRequestBuilder implements ClientRequest.Builder {
 
 			MultiValueMap<String, HttpCookie> requestCookies = request.getCookies();
 			if (!this.cookies.isEmpty()) {
-				this.cookies.forEach((name, values) -> values.forEach(value -> {
-					HttpCookie cookie = new HttpCookie(name, value);
-					requestCookies.add(name, cookie);
-				}));
+				this.cookies.forEach(( name , values) ->
+						values.forEach(value -> {
+						HttpCookie cookie = new HttpCookie(name, value);
+						requestCookies.add(name, cookie);
+					}));
 			}
 
 			return this.inserter.insert(request, new BodyInserter.Context() {

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

@@ -224,10 +224,10 @@ class ControllerMethodResolver {
 		Class<?> handlerType = handlerMethod.getBeanType();
 
 		// Global methods first
-		this.initBinderAdviceCache.entrySet().forEach(entry -> {
-			if (entry.getKey().isApplicableToBeanType(handlerType)) {
-				Object bean = entry.getKey().resolveBean();
-				entry.getValue().forEach(method -> result.add(getInitBinderMethod(bean, method)));
+		this.initBinderAdviceCache.forEach((adviceBean, methods) -> {
+			if (adviceBean.isApplicableToBeanType(handlerType)) {
+				Object bean = adviceBean.resolveBean();
+				methods.forEach(method -> result.add(getInitBinderMethod(bean, method)));
 			}
 		});
 
@@ -257,10 +257,10 @@ class ControllerMethodResolver {
 		Class<?> handlerType = handlerMethod.getBeanType();
 
 		// Global methods first
-		this.modelAttributeAdviceCache.entrySet().forEach(entry -> {
-			if (entry.getKey().isApplicableToBeanType(handlerType)) {
-				Object bean = entry.getKey().resolveBean();
-				entry.getValue().forEach(method -> result.add(createAttributeMethod(bean, method)));
+		this.modelAttributeAdviceCache.forEach((adviceBean, methods) -> {
+			if (adviceBean.isApplicableToBeanType(handlerType)) {
+				Object bean = adviceBean.resolveBean();
+				methods.forEach(method -> result.add(createAttributeMethod(bean, method)));
 			}
 		});
 

spring-webflux/src/main/java/org/springframework/web/reactive/socket/client/ReactorNettyWebSocketClient.java

@@ -93,7 +93,7 @@ public class ReactorNettyWebSocketClient extends WebSocketClientSupport implemen
 	}
 
 	private void setNettyHeaders(HttpHeaders headers, io.netty.handler.codec.http.HttpHeaders nettyHeaders) {
-		headers.keySet().stream().forEach(key -> nettyHeaders.set(key, headers.get(key)));
+		headers.forEach(nettyHeaders::set);
 	}
 
 	private HttpHeaders toHttpHeaders(HttpClientResponse response) {

spring-webmvc/src/test/java/org/springframework/web/servlet/view/BaseViewTests.java

@@ -281,8 +281,8 @@ public class BaseViewTests {
 	 */
 	@SuppressWarnings({ "rawtypes", "unchecked" })
 	private void checkContainsAll(Map expected, Map<String, Object> actual) {
-		expected.keySet().stream().forEach(
-			key -> assertEquals("Values for model key '" + key + "' must match", expected.get(key), actual.get(key))
+		expected.forEach(
+			(k, v) -> assertEquals("Values for model key '" + k + "' must match", expected.get(k), actual.get(k))
 		);
 	}
 

spring-webmvc/src/test/java/org/springframework/web/servlet/view/InternalResourceViewTests.java

@@ -84,8 +84,9 @@ public class InternalResourceViewTests {
 		view.render(model, request, response);
 		assertEquals(url, response.getForwardedUrl());
 
-		model.keySet().stream().forEach(
-			key -> assertEquals("Values for model key '" + key + "' must match", model.get(key), request.getAttribute(key))
+
+		model.forEach(
+			(key, value) -> assertEquals("Values for model key '" + key + "' must match", value, request.getAttribute(key))
 		);
 	}
 
@@ -101,7 +102,7 @@ public class InternalResourceViewTests {
 		view.render(model, request, response);
 		assertEquals(url, response.getIncludedUrl());
 
-		model.keySet().stream().forEach(key -> verify(request).setAttribute(key, model.get(key)));
+		model.forEach((key, value) -> verify(request).setAttribute(key, value));
 	}
 
 	@Test
@@ -116,7 +117,7 @@ public class InternalResourceViewTests {
 		view.render(model, request, response);
 		assertEquals(url, response.getIncludedUrl());
 
-		model.keySet().stream().forEach(key -> verify(request).setAttribute(key, model.get(key)));
+		model.forEach((key, value) -> verify(request).setAttribute(key, value));
 	}
 
 	@Test
@@ -132,7 +133,7 @@ public class InternalResourceViewTests {
 		view.render(model, request, response);
 		assertEquals(url, response.getIncludedUrl());
 
-		model.keySet().stream().forEach(key -> verify(request).setAttribute(key, model.get(key)));
+		model.forEach((k, v) -> verify(request).setAttribute(k, v));
 	}
 
 }