com.hazelcast.util.collection

Class ArrayUtils

java.lang.Object

com.hazelcast.util.collection.ArrayUtils

public final class ArrayUtils
extends Object

Convenient method for array manipulations.

Method Summary

Modifier and Type	Method and Description
static <T> void	concat(T[] sourceFirst, T[] sourceSecond, T[] dest) Copies in order sourceFirst and sourceSecond into dest.
static <T> boolean	contains(T[] array, T item)
static <T> void	copyWithoutNulls(T[] src, T[] dst) Copy src array into destination and skip null values.
static <T> T[]	createCopy(T[] src) Create copy of the src array.
static <T> T	getItemAtPositionOrNull(T[] array, int position)

Methods inherited from class java.lang.Object

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

Method Detail

createCopy

public static <T> T[] createCopy(T[] src)

Create copy of the src array.

Type Parameters:

T -

Parameters:

src -

Returns:

copy of the original array

copyWithoutNulls

public static <T> void copyWithoutNulls(T[] src,
                                        T[] dst)

Copy src array into destination and skip null values. Warning: It does not do any validation. It expect the dst[] is created with right capacity. You can calculate required capacity as src.length - getNoOfNullItems(src)

Type Parameters:

T -

Parameters:

src - source array

dst - destination. It has to have the right capacity

contains

public static <T> boolean contains(T[] array,
                                   T item)

getItemAtPositionOrNull

public static <T> T getItemAtPositionOrNull(T[] array,
                                            int position)

concat

public static <T> void concat(T[] sourceFirst,
                              T[] sourceSecond,
                              T[] dest)

Copies in order sourceFirst and sourceSecond into dest.

Type Parameters:

T -

Parameters:

sourceFirst -

sourceSecond -

dest -