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CircularIntArray

public final class CircularIntArray
extends Object

java.lang.Object
↳	android.support.v4.util.CircularIntArray

CircularIntArray is a circular integer array data structure that provides O(1) random read, O(1) prepend and O(1) append. The CircularIntArray automatically grows its capacity when number of added integers is over its capacity.

Summary

Public constructors
`CircularIntArray()` Creates a circular array with default capacity.
`CircularIntArray(int minCapacity)` Creates a circular array with capacity for at least `minCapacity` elements.

Public methods
`void`	`addFirst(int e)` Add an integer in front of the CircularIntArray.
`void`	`addLast(int e)` Add an integer at end of the CircularIntArray.
`void`	`clear()` Remove all integers from the CircularIntArray.
`int`	`get(int n)` Get nth (0 <= n <= size()-1) integer of the CircularIntArray.
`int`	`getFirst()` Get first integer of the CircularIntArray.
`int`	`getLast()` Get last integer of the CircularIntArray.
`boolean`	`isEmpty()` Return true if size() is 0.
`int`	`popFirst()` Remove first integer from front of the CircularIntArray and return it.
`int`	`popLast()` Remove last integer from end of the CircularIntArray and return it.
`void`	`removeFromEnd(int numOfElements)` Remove multiple elements from end of the CircularIntArray, ignore when numOfElements is less than or equals to 0.
`void`	`removeFromStart(int numOfElements)` Remove multiple integers from front of the CircularIntArray, ignore when numOfElements is less than or equals to 0.
`int`	`size()` Get number of integers in the CircularIntArray.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

CircularIntArray

CircularIntArray ()

Creates a circular array with default capacity.

CircularIntArray

CircularIntArray (int minCapacity)

Creates a circular array with capacity for at least minCapacity elements.

Parameters
`minCapacity`	`int`: the minimum capacity, between 1 and 2^30 inclusive

Public methods

addFirst

void addFirst (int e)

Add an integer in front of the CircularIntArray.

Parameters
`e`	`int`: Integer to add.

addLast

void addLast (int e)

Add an integer at end of the CircularIntArray.

Parameters
`e`	`int`: Integer to add.

clear

void clear ()

Remove all integers from the CircularIntArray.

get

int get (int n)

Get nth (0 <= n <= size()-1) integer of the CircularIntArray.

Parameters
`n`	`int`: The zero based element index in the CircularIntArray.

Returns
`int`	The nth integer.

Throws
	ArrayIndexOutOfBoundsException} if n < 0 or n >= size().

getFirst

int getFirst ()

Get first integer of the CircularIntArray.

Returns
`int`	The first integer.

Throws
	ArrayIndexOutOfBoundsException} if CircularIntArray is empty.

getLast

int getLast ()

Get last integer of the CircularIntArray.

Returns
`int`	The last integer.

Throws
	ArrayIndexOutOfBoundsException} if CircularIntArray is empty.

isEmpty

boolean isEmpty ()

Return true if size() is 0.

Returns
`boolean`	true if size() is 0.

popFirst

int popFirst ()

Remove first integer from front of the CircularIntArray and return it.

Returns
`int`	The integer removed.

Throws
`ArrayIndexOutOfBoundsException`	if CircularIntArray is empty.

popLast

int popLast ()

Remove last integer from end of the CircularIntArray and return it.

Returns
`int`	The integer removed.

Throws
`ArrayIndexOutOfBoundsException`	if CircularIntArray is empty.

removeFromEnd

void removeFromEnd (int numOfElements)

Remove multiple elements from end of the CircularIntArray, ignore when numOfElements is less than or equals to 0.

Parameters
`numOfElements`	`int`: Number of integers to remove.

Throws
`ArrayIndexOutOfBoundsException`	if numOfElements is larger than `size()`

removeFromStart

void removeFromStart (int numOfElements)

Remove multiple integers from front of the CircularIntArray, ignore when numOfElements is less than or equals to 0.

Parameters
`numOfElements`	`int`: Number of integers to remove.

Throws
`ArrayIndexOutOfBoundsException`	if numOfElements is larger than `size()`

size

int size ()

Get number of integers in the CircularIntArray.

Returns
`int`	Number of integers in the CircularIntArray.

Interfaces

Classes

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CircularIntArray

Summary

Public constructors

Public methods

Inherited methods

Public constructors

CircularIntArray

CircularIntArray

Public methods

addFirst

addLast

clear

get

getFirst

getLast

isEmpty

popFirst

popLast

removeFromEnd

removeFromStart

size