org.jfree.util
public class ArrayUtilities extends Object
Method Summary | |
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static float[][] | clone(float[][] array)
Clones a two dimensional array of floats.
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static int | compareVersionArrays(Comparable[] a1, Comparable[] a2)
Compares the initial elements of two arrays.
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static boolean | equal(float[][] array1, float[][] array2)
Tests two float arrays for equality.
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static boolean | equalReferencesInArrays(Object[] array1, Object[] array2)
Returns true if all the references in array1
are equal to all the references in array2 (two
null references are considered equal for this test).
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static boolean | hasDuplicateItems(Object[] array)
Returns true if any two items in the array are equal to
one another. |
Parameters: array the array.
Returns: A clone of the array.
Parameters: a1 array 1. a2 array 2.
Returns: An integer showing the relative ordering.
Parameters: array1 the first array (null
permitted). array2 the second arrray (null
permitted).
Returns: A boolean.
true
if all the references in array1
are equal to all the references in array2
(two
null
references are considered equal for this test).
Parameters: array1 the first array (null
permitted). array2 the second array (null
permitted).
Returns: A boolean.
true
if any two items in the array are equal to
one another. Any null
values in the array are ignored.
Parameters: array the array to check.
Returns: A boolean.