From 4b2f726f5e45c11a80e7c87ce191b583c8b989ac Mon Sep 17 00:00:00 2001
From: looly <loolly@gmail.com>
Date: Mon, 28 Oct 2019 04:06:16 +0100
Subject: [PATCH] fix comment

---
 .../src/main/java/cn/hutool/core/collection/CollUtil.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java b/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
index dc549cfc9..5264baaf5 100644
--- a/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
@@ -181,7 +181,7 @@ public class CollUtil {
 	 * 例如：集合1：[a, b, c, c, c]，集合2：[a, b, c, c]<br>
 	 * 结果：[c]，此结果中只保留了一个<br>
 	 * 任意一个集合为空，返回另一个集合<br>
-	 * 两个集合无交集则返回两个集合的组合
+	 * 两个集合无差集则返回空集合
 	 *
 	 * @param <T>   集合元素类型
 	 * @param coll1 集合1
@@ -1780,7 +1780,7 @@ public class CollUtil {
 
 		final ConverterRegistry convert = ConverterRegistry.getInstance();
 		while (iter.hasNext()) {
-			collection.add((T) convert.convert(elementType, iter.next()));
+			collection.add(convert.convert(elementType, iter.next()));
 		}
 
 		return collection;