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java.lang.Objectorg.fest.util.Arrays
public class Arrays
Understands utility methods related to arrays.
Method Summary | ||
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static
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array(T... values)
Returns an array containing the given arguments. |
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static String |
format(Object array)
Returns the String representation of the given array, or null if the given object is
either null or not an array. |
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static
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hasOnlyNullElements(T[] array)
Returns true if the given array has only null elements, false otherwise. |
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static
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isEmpty(T[] array)
Returns true if the given array is null or empty. |
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static
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nonNullElements(T[] array)
Returns a new array containing the non-null elements of the given array. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static <T> boolean isEmpty(T[] array)
true
if the given array is null
or empty.
T
- the type of elements of the array.array
- the array to check.
true
if the given array is null
or empty, otherwise false
.public static <T> T[] array(T... values)
T
- the type of the array to return.values
- the values to store in the array.
public static String format(Object array)
String
representation of the given array, or null
if the given object is
either null
or not an array. This method supports arrays having other arrays as elements.
array
- the object that is expected to be an array.
String
representation of the given array.public static <T> T[] nonNullElements(T[] array)
null
elements or if it is empty. This method returns null
if the
given array is null
.
T
- the type of elements of the array.array
- the array we want to extract the non-null elements from.
null
if the given array is
null
.public static <T> boolean hasOnlyNullElements(T[] array)
true
if the given array has only null
elements, false
otherwise.
If given array is empty, this method returns true
.
T
- the type of elements of the array.array
- the given array. It must not be null.
true
if the given array has only null
elements or is empty, false
otherwise.
NullPointerException
- if the given array is null
.
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