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enhance CollUtil

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Looly
2020-09-23 14:39:59 +08:00
parent c7a8aed325
commit 34443c3413
2 changed files with 6 additions and 5 deletions
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10
hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
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@@ -105,9 +105,9 @@ public class CollUtil {
*/
public static <T> Collection<T> union(Collection<T> coll1, Collection<T> coll2) {
if (isEmpty(coll1)) {
return new ArrayList<>(coll2);
return new ArrayList<>(coll2);
} else if (isEmpty(coll2)) {
return new ArrayList<>(coll1);
return new ArrayList<>(coll1);
}
final ArrayList<T> list = new ArrayList<>(Math.max(coll1.size(), coll2.size()));
@@ -2848,10 +2848,10 @@ public class CollUtil {
/**
* 使用给定的转换函数，转换源集合为新类型的集合
*
* @param <F> 源元素类型
* @param <T> 目标元素类型
* @param <F> 源元素类型
* @param <T> 目标元素类型
* @param collection 集合
* @param function 转换函数
* @param function 转换函数
* @return 新类型的集合
* @since 5.4.3
*/