public class CollUtils extends Object
| 构造器和说明 |
|---|
CollUtils() |
| 限定符和类型 | 方法和说明 |
|---|---|
static <T> java.util.function.Predicate<T> |
distinctByKey(java.util.function.Function<? super T,?> keyExtractor)
根据集合对象中指定的字段去重复
|
static <T> List<List<T>> |
subList(List<T> list,
int aFew)
注意,此工具切分后,只是原始数据的引用,原对象修改,则切分后的数据也被修改
|
public static <T> List<List<T>> subList(List<T> list, int aFew)
T - tlist - 被切分的集合aFew - 多少切一份public static <T> java.util.function.Predicate<T> distinctByKey(java.util.function.Function<? super T,?> keyExtractor)
T - tkeyExtractor - keyExtractorCopyright © 2020–2021 ruleengine. All rights reserved.