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java.lang.Objectumontreal.iro.lecuyer.util.IntArray
public class IntArray
Represents an immutable array of integers.
This class is similar to the Integer
class,
but it wraps an array of integers rather than
an integer.
Instances of this class can be used as set
elements or map keys, because this class
implements the hashCode()
and equals(Object)
methods to
compare the contents of the array.
Field Summary | |
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int |
length
Gives the length of the wrapped array. |
Constructor Summary | |
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IntArray(int[] array)
Constructs a new array object from the given array of integers. |
Method Summary | |
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int |
compareTo(IntArray o)
|
boolean |
equals(Object o)
If o corresponds to an instance of IntArray , tests the equality of the
wrapped arrays using int[]) ,
and returns the result of the test. |
int[] |
getArray()
Returns a copy of the wrapped array. |
int |
getElement(int i)
Returns the element with index i of the wrapped array. |
int |
hashCode()
Returns the result of Arrays.hashCode(int[])
on the wrapped array. |
String |
toString()
Returns the result of Arrays.toString(int[])
called on the wrapped array. |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public final int length
Constructor Detail |
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public IntArray(int[] array)
array
- the array to be wrapped.Method Detail |
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public int[] getArray()
public int getElement(int i)
i
- the queried index.
ArrayIndexOutOfBoundsException
- if i
is negative or greater than or equal to length
.public int hashCode()
Arrays.hashCode(int[])
on the wrapped array.
hashCode
in class Object
public boolean equals(Object o)
IntArray
, tests the equality of the
wrapped arrays using int[])
,
and returns the result of the test.
Otherwise, returns false.
equals
in class Object
public String toString()
Arrays.toString(int[])
called on the wrapped array.
toString
in class Object
public int compareTo(IntArray o)
compareTo
in interface Comparable<IntArray>
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