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fix comment

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This commit is contained in:
Looly 2020-05-14 01:59:11 +08:00
parent d0fe78ae66
commit a4bc10801c
1 changed files with 11 additions and 9 deletions
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20
hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
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@ -159,17 +159,17 @@ public class CollUtil {
@SafeVarargs
public static <T> Set<T> unionDistinct(Collection<T> coll1, Collection<T> coll2, Collection<T>... otherColls) {
final Set<T> result;
if(isEmpty(coll1)){
if (isEmpty(coll1)) {
result = new LinkedHashSet<>();
} else {
result = new LinkedHashSet<>(coll1);
}
if(isNotEmpty(coll2)){
if (isNotEmpty(coll2)) {
result.addAll(coll2);
}
if(ArrayUtil.isNotEmpty(otherColls)){
if (ArrayUtil.isNotEmpty(otherColls)) {
for (Collection<T> otherColl : otherColls) {
result.addAll(otherColl);
}
@ -193,17 +193,17 @@ public class CollUtil {
@SafeVarargs
public static <T> List<T> unionAll(Collection<T> coll1, Collection<T> coll2, Collection<T>... otherColls) {
final List<T> result;
if(isEmpty(coll1)){
if (isEmpty(coll1)) {
result = new ArrayList<>();
} else {
result = new ArrayList<>(coll1);
}
if(isNotEmpty(coll2)){
if (isNotEmpty(coll2)) {
result.addAll(coll2);
}
if(ArrayUtil.isNotEmpty(otherColls)){
if (ArrayUtil.isNotEmpty(otherColls)) {
for (Collection<T> otherColl : otherColls) {
result.addAll(otherColl);
}
@ -409,11 +409,11 @@ public class CollUtil {
* @since 4.5.12
*/
public static boolean containsAll(Collection<?> coll1, Collection<?> coll2) {
if(isEmpty(coll1)){
if (isEmpty(coll1)) {
return isEmpty(coll2);
}
if(isEmpty(coll2)){
if (isEmpty(coll2)) {
return true;
}
@ -1271,8 +1271,8 @@ public class CollUtil {
* @param editor 编辑器
* @param ignoreNull 是否忽略空值
* @return 抽取后的新列表
* @since 4.5.7
* @see #map(Iterable, Function, boolean)
* @since 4.5.7
*/
public static List<Object> extract(Iterable<?> collection, Editor<Object> editor, boolean ignoreNull) {
return map(collection, editor::edit, ignoreNull);
@ -1282,6 +1282,8 @@ public class CollUtil {
* 通过func自定义一个规则，此规则将原集合中的元素转换成新的元素，生成新的列表返回<br>
* 例如提供的是一个Bean列表，通过Function接口实现获取某个字段值，返回这个字段值组成的新列表
*
* @param <T> 集合元素类型
* @param <R> 返回集合元素类型
* @param collection 原集合
* @param func 编辑函数
* @param ignoreNull 是否忽略空值