water.util

Class CollectionUtils

java.lang.Object

water.util.CollectionUtils

public class CollectionUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static <K,V> java.util.Map<K,V>	createMap(K[] keys, V[] values)
static byte[]	unboxBytes(java.util.Collection<java.lang.Byte> coll) Convert a Collection of Bytes to a primitive array byte[].
static java.lang.String[][]	unboxStringArrays(java.util.Collection<java.lang.String[]> coll) Convert a Collection of Strings[] to a plain array String[][].
static java.lang.String[]	unboxStrings(java.util.Collection<java.lang.String> coll) Convert a Collection of Strings to a plain array String[].

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

createMap

public static <K,V> java.util.Map<K,V> createMap(K[] keys,
                                                 V[] values)

unboxBytes

public static byte[] unboxBytes(java.util.Collection<java.lang.Byte> coll)

Convert a Collection of Bytes to a primitive array byte[].

unboxStrings

public static java.lang.String[] unboxStrings(java.util.Collection<java.lang.String> coll)

Convert a Collection of Strings to a plain array String[].

unboxStringArrays

public static java.lang.String[][] unboxStringArrays(java.util.Collection<java.lang.String[]> coll)

Convert a Collection of Strings[] to a plain array String[][].