From 1f6a651fefaf09134df25a545a8c5ab26cb9649b Mon Sep 17 00:00:00 2001
From: VampireAchao <achao1441470436@gmail.com>
Date: Mon, 19 Sep 2022 11:31:25 +0800
Subject: [PATCH] =?UTF-8?q?:trollface:=20=E6=BC=8F=E6=8E=89=E4=BA=86?=
 =?UTF-8?q?=E4=B8=80=E4=B8=AAfinal?=
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---
 .../src/main/java/cn/hutool/core/stream/CollectorUtil.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hutool-core/src/main/java/cn/hutool/core/stream/CollectorUtil.java b/hutool-core/src/main/java/cn/hutool/core/stream/CollectorUtil.java
index 4816b27d3..193a18645 100644
--- a/hutool-core/src/main/java/cn/hutool/core/stream/CollectorUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/stream/CollectorUtil.java
@@ -445,7 +445,7 @@ public class CollectorUtil {
 			final BiConsumer<T, List<T>> childrenSetter,
 			final Predicate<T> parentPredicate,
 			final boolean isParallel) {
-		List<T> parents = new ArrayList<>();
+		final List<T> parents = new ArrayList<>();
 		return Collectors.collectingAndThen(groupingBy(pIdGetter,
 						new SimpleCollector<>(ArrayList::new,
 								(acc, e) -> {