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CollUtil.subtract增加空判定

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Looly 2024-06-04 08:47:34 +08:00
parent 6b4c3b1e4d
commit feba8fcb42
1 changed files with 4 additions and 0 deletions
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4
hutool-core/src/main/java/org/dromara/hutool/core/collection/CollUtil.java
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@ -397,6 +397,10 @@ public class CollUtil {
* @return 单差集 * @return 单差集
*/ */
public static <T> Collection<T> subtract(final Collection<T> coll1, final Collection<T> coll2) { public static <T> Collection<T> subtract(final Collection<T> coll1, final Collection<T> coll2) {
if(isEmpty(coll1) || isEmpty(coll2)){
return coll1;
}
Collection<T> result = ObjUtil.clone(coll1); Collection<T> result = ObjUtil.clone(coll1);
if (null == result) { if (null == result) {
result = CollUtil.create(coll1.getClass()); result = CollUtil.create(coll1.getClass());