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CollUtil.subtract增加空判定

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Looly 2024-06-04 08:47:39 +08:00
parent 2857c0af65
commit 9db9648539
2 changed files with 6 additions and 1 deletions
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3
CHANGELOG.md
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@ -2,11 +2,12 @@
# 🚀Changelog # 🚀Changelog
------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------
# 5.8.29(2024-06-02) # 5.8.29(2024-06-04)
### 🐣新特性 ### 🐣新特性
* 【core 】 DateUtil增加offsetYear方法 * 【core 】 DateUtil增加offsetYear方法
* 【core 】 ListUtil增加move方法（issue#3603@Github） * 【core 】 ListUtil增加move方法（issue#3603@Github）
* 【core 】 CollUtil.subtract增加空判定（issue#3605@Github）
### 🐞Bug修复 ### 🐞Bug修复
* 【core 】 修复AnnotationUtil可能的空指针错误 * 【core 】 修复AnnotationUtil可能的空指针错误

4
hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
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@ -361,6 +361,10 @@ public class CollUtil {
* @return 单差集 * @return 单差集
*/ */
public static <T> Collection<T> subtract(Collection<T> coll1, Collection<T> coll2) { public static <T> Collection<T> subtract(Collection<T> coll1, Collection<T> coll2) {
if(isEmpty(coll1) || isEmpty(coll2)){
return coll1;
}
Collection<T> result = ObjectUtil.clone(coll1); Collection<T> result = ObjectUtil.clone(coll1);
try { try {
if (null == result) { if (null == result) {