Replace "null" with NULL_STRING constant in ObjectUtils.nullSafeConciseToString()

Closes gh-33625
1 year ago · 893f5dcb9b
1 changed files with 1 additions and 1 deletions
--- 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 {
				@@ -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" :