at.molindo.utils.collections
Class ArrayUtils

java.lang.Object
  at.molindo.utils.collections.ArrayUtils

public class ArrayUtils
extends Object

Constructor Summary

ArrayUtils()

Method Summary

static <T> T[]	append(T[] a, T o) appends an object to an array
static boolean	empty(byte[] a)
static boolean	empty(char[] a)
static boolean	empty(double[] a)
static boolean	empty(float[] a)
static boolean	empty(int[] a)
static boolean	empty(long[] a)
static boolean	empty(short[] a)
static <T> boolean	empty(T[] a)
static boolean	equals(byte[] a, byte[] a2, int off, int len)
static byte	first(byte[] a)
static char	first(char[] a)
static double	first(double[] a)
static float	first(float[] a)
static int	first(int[] a)
static long	first(long[] a)
static short	first(short[] a)
static <T> T	first(T[] a)
static <T> Iterable<T>	iterable(T... a)
static <T> Iterator<T>	iterator(T... a)
static byte	last(byte[] a)
static char	last(char[] a)
static double	last(double[] a)
static float	last(float[] a)
static int	last(int[] a)
static long	last(long[] a)
static short	last(short[] a)
static <T> T	last(T[] a)
static int	length(byte[] a)
static int	length(char[] a)
static int	length(double[] a)
static int	length(float[] a)
static int	length(int[] a)
static int	length(long[] a)
static int	length(short[] a)
static <T> int	length(T[] a)
static Iterable<Object>	toIterable(Object array)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayUtils

public ArrayUtils()

Method Detail

equals

public static boolean equals(byte[] a,
                             byte[] a2,
                             int off,
                             int len)

empty

public static <T> boolean empty(T[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(byte[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(int[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(short[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(long[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(float[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(double[] a)

Returns:

true if a is not null and a.length > 0

empty

public static boolean empty(char[] a)

Returns:

true if a is not null and a.length > 0

first

public static <T> T first(T[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static byte first(byte[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static int first(int[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static short first(short[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static long first(long[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static float first(float[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static double first(double[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

first

public static char first(char[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static <T> T last(T[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static byte last(byte[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static int last(int[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static short last(short[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static long last(long[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static float last(float[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static double last(double[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

last

public static char last(char[] a)

Returns:

a[0] if array isn't empty

See Also:

empty(Object[])

length

public static <T> int length(T[] a)

Returns:

null-safe length of array

length

public static int length(byte[] a)

Returns:

null-safe length of array

length

public static int length(int[] a)

Returns:

null-safe length of array

length

public static int length(short[] a)

Returns:

null-safe length of array

length

public static int length(long[] a)

Returns:

null-safe length of array

length

public static int length(float[] a)

Returns:

null-safe length of array

length

public static int length(double[] a)

Returns:

null-safe length of array

length

public static int length(char[] a)

Returns:

null-safe length of array

iterable

public static <T> Iterable<T> iterable(T... a)

iterator

public static <T> Iterator<T> iterator(T... a)

toIterable

public static Iterable<Object> toIterable(Object array)

append

public static <T> T[] append(T[] a,
                             T o)

appends an object to an array

Type Parameters:

T -

Parameters:

a -

o -

Returns: