io.micronaut.core.util

Class ArrayUtils

java.lang.Object

io.micronaut.core.util.ArrayUtils

public class ArrayUtils
extends java.lang.Object

Utility methods for working with arrays.

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.Object[]	EMPTY_OBJECT_ARRAY An empty object array.

Constructor Summary

Constructors

Constructor and Description
ArrayUtils()

Method Summary

Modifier and Type	Method and Description
static byte[]	concat(byte[] a, byte... b) Concatenate two byte arrays.
static <T> T[]	concat(T[] a, T... b) Concatenate two arrays.
static boolean	isEmpty(java.lang.Object[] array) Whether the given array is empty.
static boolean	isNotEmpty(java.lang.Object[] array) Whether the given array is not empty.
static <T> java.util.Iterator<T>	iterator(T... array) Produce an iterator for the given array.
static <T> java.util.Iterator<T>	reverseIterator(T... array) Produce an iterator for the given array.
static java.lang.String	toString(java.lang.Object[] array) Produce a string representation of the given array.
static java.lang.String	toString(java.lang.String delimiter, java.lang.Object[] array) Produce a string representation of the given array.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_OBJECT_ARRAY

public static final java.lang.Object[] EMPTY_OBJECT_ARRAY

An empty object array.

Constructor Detail

ArrayUtils

public ArrayUtils()

Method Detail

concat

public static <T> T[] concat(T[] a,
                             T... b)

Concatenate two arrays.

Type Parameters:

T - The array type

Parameters:

a - The first array

b - The second array

Returns:

The concatenated array

concat

public static byte[] concat(byte[] a,
                            byte... b)

Concatenate two byte arrays.

Parameters:

a - The first array

b - The second array

Returns:

The concatenated array

isEmpty

public static boolean isEmpty(java.lang.Object[] array)

Whether the given array is empty.

Parameters:

array - The array

Returns:

True if it is

isNotEmpty

public static boolean isNotEmpty(java.lang.Object[] array)

Whether the given array is not empty.

Parameters:

array - The array

Returns:

True if it is

toString

public static java.lang.String toString(@Nullable
                                        java.lang.Object[] array)

Produce a string representation of the given array.

Parameters:

array - The array

Returns:

The string representation

toString

public static java.lang.String toString(java.lang.String delimiter,
                                        @Nullable
                                        java.lang.Object[] array)

Produce a string representation of the given array.

Parameters:

delimiter - The delimiter

array - The array

Returns:

The string representation

iterator

public static <T> java.util.Iterator<T> iterator(T... array)

Produce an iterator for the given array.

Type Parameters:

T - The array type

Parameters:

array - The array

Returns:

The iterator

reverseIterator

public static <T> java.util.Iterator<T> reverseIterator(T... array)

Produce an iterator for the given array.

Type Parameters:

T - The array type

Parameters:

array - The array

Returns:

The iterator