From 67fe0f4a225cbd5dcacd8e54794da654baf4592d Mon Sep 17 00:00:00 2001
From: Yanming Zhou <zhouyanming@gmail.com>
Date: Tue, 29 Sep 2026 16:49:00 +0800
Subject: [PATCH] Polish DefaultJdbcClient

Closes gh-37343

Signed-off-by: Yanming Zhou <zhouyanming@gmail.com>
---
 .../org/springframework/jdbc/core/simple/DefaultJdbcClient.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/DefaultJdbcClient.java b/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/DefaultJdbcClient.java
index 1cb015a1424..54f91e911ea 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/DefaultJdbcClient.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/DefaultJdbcClient.java
@@ -352,7 +352,7 @@ final class DefaultJdbcClient implements JdbcClient {
 
 		private class DefaultBatchSpec implements BatchSpec {
 
-			private final List<Object[]> indexedBatch = new ArrayList<>();
+			private final List<@Nullable Object[]> indexedBatch = new ArrayList<>();
 
 			private final List<SqlParameterSource> namedBatch = new ArrayList<>();