xin.altitude.common.util

Class ColUtils

java.lang.Object

xin.altitude.common.util.ColUtils

public class ColUtils
extends Object

集合工具类

Since:

2021/06/03 23:17

Author:

explore

Constructor Summary

Constructors

Constructor and Description
ColUtils()

Method Summary

Modifier and Type	Method and Description
static <E> Collection<E>	toCollection(E e) 将单个对象转化为集合
static <E,C extends Collection<E>> Collection<E>	toCollection(E t, Supplier<C> supplier) 将单个对象转化为集合
static <E> E	toObject(Collection<E> collection) 取出集合中第一个元素

Methods inherited from class java.lang.Object

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

Constructor Detail

ColUtils

public ColUtils()

Method Detail

toCollection

public static <E> Collection<E> toCollection(E e)

将单个对象转化为集合

Type Parameters:

E - 对象类型

Parameters:

e - 对象实例

Returns:

包含对象的集合实例

toCollection

public static <E,C extends Collection<E>> Collection<E> toCollection(E t,
                                                                     Supplier<C> supplier)

将单个对象转化为集合

Type Parameters:

E - 对象类型

C - 集合类型

Parameters:

t - 对象实例

supplier - 集合工厂

Returns:

包含对象的集合实例

toObject

public static <E> E toObject(Collection<E> collection)

取出集合中第一个元素

Type Parameters:

E - 集合中元素类型

Parameters:

collection - 集合实例

Returns:

泛型类型