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Java Source Code / Java Documentation » Database ORM » TJDO » com.triactive.jdo.util

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

com.triactive.jdo.util .IntArrayList

IntArrayList
public class IntArrayList implements Cloneable(Code)
	A variation on the standard ArrayList class that efficiently handles arrays of integers. Using this class rather than `ArrayList` avoids the need to "box" each element in an instance of `java.lang.Integer`. It is useful where performance is important. author: Mike Martin version: $Revision: 1.1 $

Constructor Summary
public	IntArrayList() Constructs an empty list with an initial capacity of ten.
public	IntArrayList(int initialCapacity) Constructs an empty list with the specified initial capacity.
public	IntArrayList(int[] initialContents) Constructs a list containing the elements of the specified array.

Method Summary
public void	add(int element) Appends the specified element to the end of this list.
public void	add(int index, int element) Inserts the specified element at the specified position in this list.
public void	addAll(int[] ai) Appends all of the elements in the specified array to the end of this list.
public void	addAll(int index, int[] ai) Inserts all of the elements in the specified array into this list, starting at the specified position.
public void	clear() Removes all of the elements from this list.
public Object	clone() Returns a copy of this `IntArrayList` instance.
public boolean	contains(int elem) Returns `true` if this list contains the specified element. Parameters: elem - element whose presence in this List is to be tested.
public boolean	containsAll(int[] ai) Returns `true` if this list contains all of the elements in the specified list.
public void	ensureCapacity(int minCapacity) Increases the capacity of this `IntArrayList` instance, if necessary, to ensure that it can hold at least the number of elements specified by the minimum capacity argument.
public boolean	equals(Object o) Compares the specified object with this list for equality. Returns `true` if and only if the specified object is also an IntArrayList, both lists have the same size, and all corresponding pairs of elements in the two lists are equal. Parameters: o - the object to be compared for equality with this list.
public int	get(int index) Returns the element at the specified position in this list.
public int	hashCode() Returns the hash code value for this list.
public int	indexOf(int elem) Searches for the first occurence of the given argument. Parameters: elem - An integer to search for.
public boolean	isEmpty() Tests if this list has no elements.
public int	lastIndexOf(int elem) Returns the index of the last occurrence of the specified integer in this list. Parameters: elem - The desired element.
public int	remove(int index) Removes the element at the specified position in this list.
public boolean	removeAll(int[] ai) Removes from this list all of its elements that are contained in the specified array.
public boolean	retainAll(int[] ai) Retains only the elements in this list that are contained in the specified array.
public int	set(int index, int element) Replaces the element at the specified position in this list with the specified element.
public int	size() Returns the number of elements in this list.
public int[]	toArray() Returns an array containing all of the elements in this list.
public String	toString() Returns a string representation of this list.
public void	trimToSize() Trims the capacity of this `IntArrayList` instance to be the list's current size.

Constructor Detail

IntArrayList
public IntArrayList()(Code)
	Constructs an empty list with an initial capacity of ten.

IntArrayList
public IntArrayList(int initialCapacity)(Code)
	Constructs an empty list with the specified initial capacity. Parameters: initialCapacity - The initial capacity of the list. exception: IllegalArgumentException - If the specified initial capacity is negative.

IntArrayList
public IntArrayList(int[] initialContents)(Code)
	Constructs a list containing the elements of the specified array. The `IntArrayList` instance has an initial capacity of 110% the size of the specified collection. Parameters: initialContents - The array whose elements are to be placed into this list.

Method Detail

add
public void add(int element)(Code)
	Appends the specified element to the end of this list. Parameters: element - Element to be appended to this list.

add
public void add(int index, int element)(Code)
	Inserts the specified element at the specified position in this list. Shifts the element currently at that position (if any) and any subsequent elements to the right (adds one to their indices). Parameters: index - Index at which the specified element is to be inserted. Parameters: element - Element to be inserted. exception: IndexOutOfBoundsException - If index is out of range `(index < 0 \|\| index > size())`.

addAll
public void addAll(int[] ai)(Code)
	Appends all of the elements in the specified array to the end of this list. Parameters: ai - The elements to be added to this list.

addAll
public void addAll(int index, int[] ai)(Code)
	Inserts all of the elements in the specified array into this list, starting at the specified position. Shifts the element currently at that position (if any) and any subsequent elements to the right (increases their indices). The new elements will appear in the list in the order that they exist in the array argument. Parameters: index - Index at which to insert first element from the specified array. Parameters: ai - Elements to be inserted into this list. exception: IndexOutOfBoundsException - If index is out of range `(index < 0 \|\| index > size())`.

clear
public void clear()(Code)
	Removes all of the elements from this list. The list will be empty after this call returns.

clone
public Object clone()(Code)
	Returns a copy of this `IntArrayList` instance. A clone of this `ArrayList` instance.

contains
public boolean contains(int elem)(Code)
	Returns `true` if this list contains the specified element. Parameters: elem - element whose presence in this List is to be tested. `true` if the specified element is present;`false` otherwise.

containsAll
public boolean containsAll(int[] ai)(Code)
	Returns `true` if this list contains all of the elements in the specified list. This implementation iterates over the specified array, checking each element in turn to see if it's contained in this list. If all elements are so contained `true` is returned, otherwise `false`. Parameters: ai - Array to be checked for containment in this list.`true` if this list contains all of the elements in thespecified array. See Also: IntArrayList.contains

ensureCapacity
public void ensureCapacity(int minCapacity)(Code)
	Increases the capacity of this `IntArrayList` instance, if necessary, to ensure that it can hold at least the number of elements specified by the minimum capacity argument. Parameters: minCapacity - The desired minimum capacity.

equals
public boolean equals(Object o)(Code)
	Compares the specified object with this list for equality. Returns `true` if and only if the specified object is also an IntArrayList, both lists have the same size, and all corresponding pairs of elements in the two lists are equal. Parameters: o - the object to be compared for equality with this list. `true` if the specified object is equal to this list.

get
public int get(int index)(Code)
	Returns the element at the specified position in this list. Parameters: index - Index of element to return.The element at the specified position in this list. exception: IndexOutOfBoundsException - If index is out of range `(index < 0 \|\| index >= size())`.

hashCode
public int hashCode()(Code)
	Returns the hash code value for this list. The hash code value for this list.

indexOf
public int indexOf(int elem)(Code)
	Searches for the first occurence of the given argument. Parameters: elem - An integer to search for. The index of the first occurrence of the argument in thislist; returns `-1` if the value is not found.

isEmpty
public boolean isEmpty()(Code)
	Tests if this list has no elements. `true` if this list has no elements;`false` otherwise.

lastIndexOf
public int lastIndexOf(int elem)(Code)
	Returns the index of the last occurrence of the specified integer in this list. Parameters: elem - The desired element. The index of the last occurrence of the specified integer inthis list; returns `-1` if the value is not found.

remove
public int remove(int index)(Code)
	Removes the element at the specified position in this list. Shifts any subsequent elements to the left (subtracts one from their indices). Parameters: index - The index of the element to removed.The element that was removed from the list. exception: IndexOutOfBoundsException - If index is out of range `(index < 0 \|\| index >= size())`.

removeAll
public boolean removeAll(int[] ai)(Code)
	Removes from this list all of its elements that are contained in the specified array. This implementation iterates over this list, checking each element in turn to see if it's contained in the specified array. If it's so contained, it's removed from this list. Parameters: ai - Elements to be removed from this list.`true` if this list changed as a result of the call. See Also: IntArrayList.remove See Also: IntArrayList.contains

retainAll
public boolean retainAll(int[] ai)(Code)
	Retains only the elements in this list that are contained in the specified array. In other words, removes from this list all of its elements that are not contained in the specified array. This implementation iterates over this list, checking each element in turn to see if it's contained in the specified array. If it's not so contained, it's removed from this list. Parameters: ai - Elements to be retained in this list.`true` if this list changed as a result of the call. See Also: IntArrayList.remove See Also: IntArrayList.contains

set
public int set(int index, int element)(Code)
	Replaces the element at the specified position in this list with the specified element. Parameters: index - Index of element to replace. Parameters: element - Element to be stored at the specified position.The element previously at the specified position. exception: IndexOutOfBoundsException - If index is out of range `(index < 0 \|\| index >= size())`.

size
public int size()(Code)
	Returns the number of elements in this list. The number of elements in this list.

toArray
public int[] toArray()(Code)
	Returns an array containing all of the elements in this list. An array containing all of the elements in this list.

toString
public String toString()(Code)
	Returns a string representation of this list. The string representation consists of a list of the elements, enclosed in square brackets (`"[]"`). Adjacent elements are separated by the characters `", "` (comma and space). Elements are converted to strings as by `String.valueOf(int)`. A string representation of this collection.

trimToSize
public void trimToSize()(Code)
	Trims the capacity of this `IntArrayList` instance to be the list's current size. An application can use this operation to minimize the storage of an `IntArrayList` instance.

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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