From 893f5dcb9b4d5135042feb949be5948f020f0c8b Mon Sep 17 00:00:00 2001
From: Hyunwoo Kim <hyunwoo.kim1108@gmail.com>
Date: Tue, 1 Oct 2024 19:33:40 +0900
Subject: [PATCH] Replace "null" with NULL_STRING constant in
 ObjectUtils.nullSafeConciseToString()

Closes gh-33625
---
 .../src/main/java/org/springframework/util/ObjectUtils.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-core/src/main/java/org/springframework/util/ObjectUtils.java b/spring-core/src/main/java/org/springframework/util/ObjectUtils.java
index eaf97d9a618..6edba426b81 100644
--- a/spring-core/src/main/java/org/springframework/util/ObjectUtils.java
+++ b/spring-core/src/main/java/org/springframework/util/ObjectUtils.java
@@ -901,7 +901,7 @@ public abstract class ObjectUtils {
 	 */
 	public static String nullSafeConciseToString(@Nullable Object obj) {
 		if (obj == null) {
-			return "null";
+			return NULL_STRING;
 		}
 		if (obj instanceof Optional<?> optional) {
 			return (optional.isEmpty() ? "Optional.empty" :