This commit is contained in:
Looly 2022-08-20 00:46:03 +08:00
parent b5dc741079
commit d567efde00
2 changed files with 8 additions and 1 deletions

View File

@ -154,11 +154,17 @@ public class CollectionOperation<E> {
*/
public Set<E> intersectionDistinct() {
final Collection<E>[] colls = this.colls;
// 任意容器为空, 则返回空集
if (ArrayUtil.isEmpty(colls)) {
return SetUtil.zeroLinked();
}
// 任意容器为空, 则返回空集
for (Collection<E> coll : colls) {
if(CollUtil.isEmpty(coll)){
return SetUtil.zeroLinked();
}
}
final Set<E> result = SetUtil.of(true, colls[0]);
for (int i = 1; i < colls.length; i++) {
if(CollUtil.isNotEmpty(colls[i])){

View File

@ -177,6 +177,7 @@ public class CollUtilTest {
Assert.assertEquals(SetUtil.ofLinked("a", "b", "c", "d"), intersectionDistinct);
final Collection<String> intersectionDistinct2 = CollUtil.intersectionDistinct(list1, list2, list3);
Console.log(intersectionDistinct2);
Assert.assertTrue(intersectionDistinct2.isEmpty());
}