io.enoa.toolkit.collection

Class CollectionKit

java.lang.Object

io.enoa.toolkit.collection.CollectionKit

public class CollectionKit
extends Object

Created by ein on 2017/8/13.

Constructor Summary

Constructors

Constructor and Description
CollectionKit()

Method Summary

Modifier and Type	Method and Description
static <T> T[]	array(Object object)
static void	clear(Collection... collections)
static void	clear(Map... maps)
static void	clear(Object[]... arrays)
static String[]	concat(String[] first, String[] sec)
static boolean	contains(Collection colls, Object target)
static boolean	contains(Object[] arr, Object target)
static Integer[]	distinct(Integer[] arrs)
static String[]	distinct(String[] arrs)
static <T> T[]	emptyArray(Class<T> clazz)
static boolean	isArray(Object object)
static Boolean	isEmpty(byte[] objects)
static <E> Boolean	isEmpty(Collection<E> collection)
static Boolean	isEmpty(int[] objects)
static <K,V> Boolean	isEmpty(Map<K,V> map)
static Boolean	isEmpty(Object[] objects)
static byte[]	merge(byte[] bytes0, byte[] bytes1)
static Boolean	notEmpty(byte[] objects)
static <E> Boolean	notEmpty(Collection<E> collection)
static Boolean	notEmpty(int[] objects)
static <K,V> Boolean	notEmpty(Map<K,V> map)
static Boolean	notEmpty(Object[] objects)
static <T> List<List<T>>	parts(Collection<T> colls, int parts) 等份切割, 依据原始数组按照对分原则进行等份切割
static <T> List<List<T>>	split(Collection<T> colls, int size) 按照指定数量对 collection 进行切割

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionKit

public CollectionKit()

Method Detail

emptyArray

public static <T> T[] emptyArray(Class<T> clazz)

isEmpty

public static <E> Boolean isEmpty(Collection<E> collection)

isEmpty

public static <K,V> Boolean isEmpty(Map<K,V> map)

isEmpty

public static Boolean isEmpty(Object[] objects)

isEmpty

public static Boolean isEmpty(byte[] objects)

isEmpty

public static Boolean isEmpty(int[] objects)

notEmpty

public static <E> Boolean notEmpty(Collection<E> collection)

notEmpty

public static <K,V> Boolean notEmpty(Map<K,V> map)

notEmpty

public static Boolean notEmpty(Object[] objects)

notEmpty

public static Boolean notEmpty(byte[] objects)

notEmpty

public static Boolean notEmpty(int[] objects)

distinct

public static String[] distinct(String[] arrs)

distinct

public static Integer[] distinct(Integer[] arrs)

concat

public static String[] concat(String[] first,
                              String[] sec)

merge

public static byte[] merge(byte[] bytes0,
                           byte[] bytes1)

clear

public static void clear(Collection... collections)

clear

public static void clear(Map... maps)

clear

public static void clear(Object[]... arrays)

isArray

public static boolean isArray(Object object)

array

public static <T> T[] array(Object object)

contains

public static boolean contains(Object[] arr,
                               Object target)

contains

public static boolean contains(Collection colls,
                               Object target)

split

public static <T> List<List<T>> split(Collection<T> colls,
                                      int size)

按照指定数量对 collection 进行切割

Type Parameters:

T - T

Parameters:

colls - collections

size - 切割后每份数量

Returns:

List

parts

public static <T> List<List<T>> parts(Collection<T> colls,
                                      int parts)

等份切割, 依据原始数组按照对分原则进行等份切割

Type Parameters:

T - T

Parameters:

colls - collections

parts - 等份数量

Returns:

List