Package cn.boboweike.carrot.utils

Class CollectionUtils

java.lang.Object

cn.boboweike.carrot.utils.CollectionUtils

public class CollectionUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static <T> ArrayList<T>	asArrayList(Collection<T> existingCollection)
static <T> List<T>	asList(T[] array, T... params)
static <T> Set<T>	asSet(Collection<T>... existingCollections)
static <T> Set<T>	asSet(T... items)
static <T> boolean	isNotNullOrEmpty(Collection<T> collection)
static <T> boolean	isNotNullOrEmpty(T[] someArray)
static <T> boolean	isNullOrEmpty(Collection<T> collection)
static <T> boolean	isNullOrEmpty(T[] someArray)
static <K,V> Map<K,V>	mapOf(K key1, V value1)
static <K,V> Map<K,V>	mapOf(K key1, V value1, K key2, V value2)

Methods inherited from class java.lang.Object

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

Method Detail

isNotNullOrEmpty

public static <T> boolean isNotNullOrEmpty(Collection<T> collection)

isNullOrEmpty

public static <T> boolean isNullOrEmpty(Collection<T> collection)

isNotNullOrEmpty

public static <T> boolean isNotNullOrEmpty(T[] someArray)

isNullOrEmpty

public static <T> boolean isNullOrEmpty(T[] someArray)

asList

public static <T> List<T> asList(T[] array,
                                 T... params)

asArrayList

public static <T> ArrayList<T> asArrayList(Collection<T> existingCollection)

asSet

public static <T> Set<T> asSet(T... items)

asSet

public static <T> Set<T> asSet(Collection<T>... existingCollections)

mapOf

public static <K,V> Map<K,V> mapOf(K key1,
                                               V value1)

mapOf

public static <K,V> Map<K,V> mapOf(K key1,
                                               V value1,
                                               K key2,
                                               V value2)