xin.altitude.common.util

Class MapUtils

java.lang.Object

xin.altitude.common.util.MapUtils

public class MapUtils
extends Object

MapUtils工具类 用以简化多个key值的map取值操作 提供处理Map多key取值工具方法

Since:

2021/06/03 22:49

Author:

explore

Constructor Summary

Constructors

Constructor and Description
MapUtils()

Method Summary

Modifier and Type	Method and Description
static <K,V> List<V>	getCollection(Map<K,V> map, Iterable<K> keys) 批量取出Map中的值
static <K,V> List<V>	getCollection(Map<K,V> map, Iterable<K> keys, Comparator<V> comparator) 批量取出Map中的值

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MapUtils

public MapUtils()

Method Detail

getCollection

public static <K,V> List<V> getCollection(Map<K,V> map,
                                          Iterable<K> keys)

批量取出Map中的值

Type Parameters:

K - key的泛型

V - value的泛型

Parameters:

map - map

keys - 键的集合

Returns:

value的泛型的集合

getCollection

public static <K,V> List<V> getCollection(Map<K,V> map,
                                          Iterable<K> keys,
                                          Comparator<V> comparator)

批量取出Map中的值

Type Parameters:

K - key的泛型

V - value的泛型

Parameters:

map - map实例

keys - 键key集合

comparator - 排序器

Returns:

value的泛型的集合