java.lang.Object
org.jfree.chart.util.ArrayUtils
Utility methods for working with arrays.
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Method Summary
Modifier and TypeMethodDescriptionstatic float[][]
clone
(float[][] array) Clones a two dimensional array of floats.static int
compareVersionArrays
(Comparable[] a1, Comparable[] a2) Compares the initial elements of two arrays.static boolean
equal
(float[][] array1, float[][] array2) Tests two float arrays for equality.static boolean
equalReferencesInArrays
(Object[] array1, Object[] array2) Returnstrue
if all the references inarray1
are equal to all the references inarray2
(twonull
references are considered equal for this test).static boolean
hasDuplicateItems
(Object[] array) Returnstrue
if any two items in the array are equal to one another.
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Method Details
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clone
public static float[][] clone(float[][] array) Clones a two dimensional array of floats.- Parameters:
array
- the array.- Returns:
- A clone of the array.
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equalReferencesInArrays
Returnstrue
if all the references inarray1
are equal to all the references inarray2
(twonull
references are considered equal for this test).- Parameters:
array1
- the first array (null
permitted).array2
- the second array (null
permitted).- Returns:
- A boolean.
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equal
public static boolean equal(float[][] array1, float[][] array2) Tests two float arrays for equality.- Parameters:
array1
- the first array (null
permitted).array2
- the second arrray (null
permitted).- Returns:
- A boolean.
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hasDuplicateItems
Returnstrue
if any two items in the array are equal to one another. Anynull
values in the array are ignored.- Parameters:
array
- the array to check.- Returns:
- A boolean.
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compareVersionArrays
Compares the initial elements of two arrays.- Parameters:
a1
- array 1.a2
- array 2.- Returns:
- An integer showing the relative ordering.
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