diff --git a/spring-core/src/main/java/org/springframework/core/MethodParameter.java b/spring-core/src/main/java/org/springframework/core/MethodParameter.java
index 27e4d6a5db1..6ff08da81ac 100644
--- a/spring-core/src/main/java/org/springframework/core/MethodParameter.java
+++ b/spring-core/src/main/java/org/springframework/core/MethodParameter.java
@@ -830,6 +830,7 @@ public class MethodParameter {
 	 * @since 5.0
 	 */
 	public static MethodParameter forParameter(Parameter parameter) {
+		Assert.notNull(parameter, "Parameter must not be null");
 		return forExecutable(parameter.getDeclaringExecutable(), findParameterIndex(parameter));
 	}
 
diff --git a/spring-core/src/main/java/org/springframework/core/task/SimpleAsyncTaskExecutor.java b/spring-core/src/main/java/org/springframework/core/task/SimpleAsyncTaskExecutor.java
index 38684155568..10cc0f27567 100644
--- a/spring-core/src/main/java/org/springframework/core/task/SimpleAsyncTaskExecutor.java
+++ b/spring-core/src/main/java/org/springframework/core/task/SimpleAsyncTaskExecutor.java
@@ -327,8 +327,7 @@ public class SimpleAsyncTaskExecutor extends CustomizableThreadCreator
 			catch (Throwable ex) {
 				// Release concurrency permit if thread creation fails
 				this.concurrencyThrottle.afterAccess();
-				throw new TaskRejectedException(
-						"Failed to start execution thread for task: " + task, ex);
+				throw new TaskRejectedException("Failed to start execution thread for task: " + task, ex);
 			}
 		}
 		else if (this.activeThreads != null) {
diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/function/SseServerResponse.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/function/SseServerResponse.java
index 307cdb6bbcf..f01c1754981 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/function/SseServerResponse.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/function/SseServerResponse.java
@@ -108,7 +108,6 @@ final class SseServerResponse extends AbstractServerResponse {
 
 		private static final byte[] NL_NL = new byte[]{'\n', '\n'};
 
-
 		private final ServerHttpResponse outputMessage;
 
 		private final DeferredResult<?> deferredResult;
@@ -121,7 +120,6 @@ final class SseServerResponse extends AbstractServerResponse {
 
 		private boolean sendFailed;
 
-
 		public DefaultSseBuilder(HttpServletResponse response, Context context, DeferredResult<?> deferredResult,
 				HttpHeaders httpHeaders) {
 			this.outputMessage = new ServletServerHttpResponse(response);
@@ -188,7 +186,6 @@ final class SseServerResponse extends AbstractServerResponse {
 		@Override
 		public void data(Object object) throws IOException {
 			Assert.notNull(object, "Object must not be null");
-
 			if (object instanceof String text) {
 				writeString(text);
 			}
@@ -210,7 +207,6 @@ final class SseServerResponse extends AbstractServerResponse {
 			this.builder.append("data:");
 			try {
 				this.outputMessage.getBody().write(builderBytes());
-
 				Class<?> dataClass = data.getClass();
 				for (HttpMessageConverter<?> converter : this.messageConverters) {
 					if (converter.canWrite(dataClass, MediaType.APPLICATION_JSON)) {
@@ -295,8 +291,7 @@ final class SseServerResponse extends AbstractServerResponse {
 			public HttpHeaders getHeaders() {
 				return this.mutableHeaders;
 			}
-
 		}
-
 	}
+
 }