Polishing

spring-context/src/test/java/org/springframework/context/annotation/ImportSelectorTests.java

@@ -541,6 +541,7 @@ public class ImportSelectorTests {
 					.collect(Collectors.toMap(entry -> entry.getKey().getClassName(),
 							Map.Entry::getValue));
 		}
+
 		private final List<Entry> instanceImports = new ArrayList<>();
 
 		@Override

spring-web/src/main/java/org/springframework/http/codec/json/AbstractJackson2Decoder.java

@@ -112,7 +112,7 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
 		ObjectMapper mapper = getObjectMapper();
 
 		boolean forceUseOfBigDecimal = mapper.isEnabled(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS);
-		if (elementType != null && BigDecimal.class.equals(elementType.getType())) {
+		if (BigDecimal.class.equals(elementType.getType())) {
 			forceUseOfBigDecimal = true;
 		}
 
@@ -224,6 +224,7 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
 		return getMimeTypes();
 	}
 
+
 	// Jackson2CodecSupport
 
 	@Override

spring-web/src/main/java/org/springframework/http/codec/json/AbstractJackson2Encoder.java

@@ -240,6 +240,7 @@ public abstract class AbstractJackson2Encoder extends Jackson2CodecSupport imple
 
 	private ObjectWriter createObjectWriter(ResolvableType valueType, @Nullable MimeType mimeType,
 			@Nullable Map<String, Object> hints) {
+
 		JavaType javaType = getJavaType(valueType.getType(), null);
 		Class<?> jsonView = (hints != null ? (Class<?>) hints.get(Jackson2CodecSupport.JSON_VIEW_HINT) : null);
 		ObjectWriter writer = (jsonView != null ?