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fix code

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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
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8
hutool-core/src/main/java/cn/hutool/core/collection/CollectionOperation.java
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@ -154,11 +154,17 @@ public class CollectionOperation<E> {
*/ */
public Set<E> intersectionDistinct() { public Set<E> intersectionDistinct() {
final Collection<E>[] colls = this.colls; final Collection<E>[] colls = this.colls;
// 任意容器为空, 则返回空集
if (ArrayUtil.isEmpty(colls)) { if (ArrayUtil.isEmpty(colls)) {
return SetUtil.zeroLinked(); 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]); final Set<E> result = SetUtil.of(true, colls[0]);
for (int i = 1; i < colls.length; i++) { for (int i = 1; i < colls.length; i++) {
if(CollUtil.isNotEmpty(colls[i])){ if(CollUtil.isNotEmpty(colls[i])){

1
hutool-core/src/test/java/cn/hutool/core/collection/CollUtilTest.java
View File

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