Package it.unimi.dsi.fastutil.chars

Class CharLists.EmptyList

java.lang.Object

java.util.AbstractCollection<Character>

it.unimi.dsi.fastutil.chars.AbstractCharCollection

it.unimi.dsi.fastutil.chars.CharCollections.EmptyCollection

it.unimi.dsi.fastutil.chars.CharLists.EmptyList

All Implemented Interfaces:

CharCollection, CharIterable, CharList, Serializable, Cloneable, Comparable<List<? extends Character>>, Iterable<Character>, Collection<Character>, List<Character>, RandomAccess, SequencedCollection<Character>

Enclosing class:

CharLists

public static class CharLists.EmptyList
extends CharCollections.EmptyCollection
implements CharList, RandomAccess, Serializable, Cloneable

An immutable class representing an empty type-specific list.

This class may be useful to implement your own in case you subclass a type-specific list.

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
void	add(int index, char k)	Inserts the specified element at the specified position in this list (optional operation).
void	add(int index, Character k)	Deprecated. Please use the corresponding type-specific method instead.
boolean	add(Character k)	Deprecated. Please use the corresponding type-specific method instead.
boolean	addAll(int i, CharCollection c)	Inserts all of the elements in the specified type-specific collection into this type-specific list at the specified position (optional operation).
boolean	addAll(int i, CharList c)	Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).
boolean	addAll(int i, Collection<? extends Character> c)
boolean	addAll(CharList c)	Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).
void	addElements(int index, char[] a)	Add (hopefully quickly) elements to this type-specific list.
void	addElements(int index, char[] a, int offset, int length)	Add (hopefully quickly) elements to this type-specific list.
Object	clone()
int	compareTo(List<? extends Character> o)
boolean	equals(Object o)
Character	get(int index)	Deprecated. Please use the corresponding type-specific method instead.
char	getChar(int i)	Returns the element at the specified position in this list.
void	getElements(int from, char[] a, int offset, int length)	Copies (hopefully quickly) elements of this type-specific list into the given array.
int	hashCode()
int	indexOf(char k)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	indexOf(Object k)	Deprecated. Please use the corresponding type-specific method instead.
CharListIterator	iterator()	Returns a type-specific iterator on the elements of this collection.
int	lastIndexOf(char k)	Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	lastIndexOf(Object k)	Deprecated. Please use the corresponding type-specific method instead.
CharListIterator	listIterator()	Returns a type-specific list iterator on the list.
CharListIterator	listIterator(int i)	Returns a type-specific list iterator on the list starting at a given index.
boolean	rem(char k)	Removes a single instance of the specified element from this collection, if it is present (optional operation).
Character	remove(int k)	Deprecated. Please use the corresponding type-specific method instead.
char	removeChar(int i)	Removes the element at the specified position in this list (optional operation).
void	removeElements(int from, int to)	Removes (hopefully quickly) elements of this type-specific list.
void	replaceAll(CharUnaryOperator operator)	Replaces each element of this list with the result of applying the operator to that element.
void	replaceAll(UnaryOperator<Character> operator)	Deprecated.
char	set(int index, char k)	Replaces the element at the specified position in this list with the specified element (optional operation).
Character	set(int index, Character k)	Deprecated. Please use the corresponding type-specific method instead.
void	setElements(char[] a)	Set (hopefully quickly) elements to match the array given.
void	setElements(int index, char[] a)	Set (hopefully quickly) elements to match the array given.
void	setElements(int index, char[] a, int offset, int length)	Set (hopefully quickly) elements to match the array given.
void	size(int s)	Sets the size of this list.
void	sort(CharComparator comparator)	Sort a list using a type-specific comparator.
void	sort(Comparator<? super Character> comparator)	Deprecated.
CharList	subList(int from, int to)	Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.
String	toString()
void	unstableSort(CharComparator comparator)	Sorts this list using a sort not assured to be stable.
void	unstableSort(Comparator<? super Character> comparator)	Deprecated.

Methods inherited from class it.unimi.dsi.fastutil.chars.CharCollections.EmptyCollection

addAll, addAll, clear, contains, containsAll, containsAll, forEach, forEach, intIterator, intSpliterator, removeAll, removeAll, removeIf, removeIf, retainAll, retainAll, size, spliterator, toArray, toArray, toCharArray, toCharArray

Methods inherited from class it.unimi.dsi.fastutil.chars.AbstractCharCollection

add, contains, remove, toArray

Methods inherited from class java.util.AbstractCollection

isEmpty

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharCollection

addAll, contains, containsAll, intIterator, intParallelStream, intSpliterator, intStream, parallelStream, removeAll, removeIf, removeIf, removeIf, retainAll, stream, toArray, toCharArray, toCharArray

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharIterable

forEach, forEach, forEach

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharList

add, contains, remove, replaceAll, spliterator

Methods inherited from interface java.util.Collection

toArray

Methods inherited from interface java.util.List

addAll, addFirst, addLast, clear, containsAll, getFirst, getLast, isEmpty, removeAll, removeFirst, removeLast, retainAll, reversed, size, toArray, toArray

Method Details

getChar

public char getChar(int i)

Description copied from interface: CharList

Returns the element at the specified position in this list.

Specified by:

getChar in interface CharList

See Also:

• List.get(int)

rem

public boolean rem(char k)

Description copied from class: AbstractCharCollection

Removes a single instance of the specified element from this collection, if it is present (optional operation).

Note that this method should be called remove(), but the clash with the similarly named index-based method in the List interface forces us to use a distinguished name. For simplicity, the set interfaces reinstates remove().

Specified by:

rem in interface CharCollection

Overrides:

rem in class AbstractCharCollection

See Also:

• Collection.remove(Object)

removeChar

public char removeChar(int i)

Description copied from interface: CharList

Removes the element at the specified position in this list (optional operation).

Specified by:

removeChar in interface CharList

See Also:

• List.remove(int)

add

public void add(int index,
 char k)

Description copied from interface: CharList

Inserts the specified element at the specified position in this list (optional operation).

Specified by:

add in interface CharList

See Also:

• List.add(int,Object)

set

public char set(int index,
 char k)

Description copied from interface: CharList

Replaces the element at the specified position in this list with the specified element (optional operation).

Specified by:

set in interface CharList

See Also:

• List.set(int,Object)

indexOf

public int indexOf(char k)

Description copied from interface: CharList

Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.

Specified by:

indexOf in interface CharList

See Also:

• List.indexOf(Object)

lastIndexOf

public int lastIndexOf(char k)

Description copied from interface: CharList

Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.

Specified by:

lastIndexOf in interface CharList

See Also:

• List.lastIndexOf(Object)

addAll

public boolean addAll(int i,
 Collection<? extends Character> c)

Specified by:

addAll in interface List<Character>

replaceAll

@Deprecated
public void replaceAll(UnaryOperator<Character> operator)

Deprecated.

Description copied from interface: CharList

Specified by:

replaceAll in interface CharList

Specified by:

replaceAll in interface List<Character>

replaceAll

public void replaceAll(CharUnaryOperator operator)

Description copied from interface: CharList

Replaces each element of this list with the result of applying the operator to that element.

Specified by:

replaceAll in interface CharList

Parameters:

operator - the operator to apply to each element.

See Also:

• List.replaceAll(java.util.function.UnaryOperator<E>)

addAll

public boolean addAll(CharList c)

Description copied from interface: CharList

Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).

Specified by:

addAll in interface CharList

See Also:

• List.addAll(Collection)

addAll

public boolean addAll(int i,
 CharCollection c)

Description copied from interface: CharList

Inserts all of the elements in the specified type-specific collection into this type-specific list at the specified position (optional operation).

Specified by:

addAll in interface CharList

See Also:

• List.addAll(int,java.util.Collection)

addAll

public boolean addAll(int i,
 CharList c)

Description copied from interface: CharList

Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).

Specified by:

addAll in interface CharList

See Also:

• List.addAll(int,Collection)

add

@Deprecated
public void add(int index,
 Character k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

add in interface CharList

Specified by:

add in interface List<Character>

get

@Deprecated
public Character get(int index)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

get in interface CharList

Specified by:

get in interface List<Character>

add

@Deprecated
public boolean add(Character k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

add in interface CharCollection

Specified by:

add in interface CharList

Specified by:

add in interface Collection<Character>

Specified by:

add in interface List<Character>

Overrides:

add in class AbstractCharCollection

set

@Deprecated
public Character set(int index,
 Character k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

set in interface CharList

Specified by:

set in interface List<Character>

remove

@Deprecated
public Character remove(int k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

remove in interface CharList

Specified by:

remove in interface List<Character>

indexOf

@Deprecated
public int indexOf(Object k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

indexOf in interface CharList

Specified by:

indexOf in interface List<Character>

lastIndexOf

@Deprecated
public int lastIndexOf(Object k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

lastIndexOf in interface CharList

Specified by:

lastIndexOf in interface List<Character>

sort

public void sort(CharComparator comparator)

Description copied from interface: CharList

Sort a list using a type-specific comparator.

Pass null to sort using natural ordering.

Specified by:

sort in interface CharList

See Also:

• List.sort(java.util.Comparator)

unstableSort

public void unstableSort(CharComparator comparator)

Description copied from interface: CharList

Sorts this list using a sort not assured to be stable.

Pass null to sort using natural ordering.

This differs from List.sort(java.util.Comparator) in that the results are not assured to be stable, but may be a bit faster.

Unless a subclass specifies otherwise, the results of the method if the list is concurrently modified during the sort are unspecified.

Specified by:

unstableSort in interface CharList

sort

@Deprecated
public void sort(Comparator<? super Character> comparator)

Deprecated.

Description copied from interface: CharList

Specified by:

sort in interface CharList

Specified by:

sort in interface List<Character>

unstableSort

@Deprecated
public void unstableSort(Comparator<? super Character> comparator)

Deprecated.

Description copied from interface: CharList

Sorts this list using a sort not assured to be stable.

Specified by:

unstableSort in interface CharList

listIterator

public CharListIterator listIterator()

Description copied from interface: CharList

Returns a type-specific list iterator on the list.

Specified by:

listIterator in interface CharList

Specified by:

listIterator in interface List<Character>

See Also:

• List.listIterator()

iterator

public CharListIterator iterator()

Description copied from interface: CharCollection

Returns a type-specific iterator on the elements of this collection.

Specified by:

iterator in interface CharCollection

Specified by:

iterator in interface CharIterable

Specified by:

iterator in interface CharList

Specified by:

iterator in interface Collection<Character>

Specified by:

iterator in interface Iterable<Character>

Specified by:

iterator in interface List<Character>

Overrides:

iterator in class CharCollections.EmptyCollection

Returns:

a type-specific iterator on the elements of this collection.

See Also:

• Iterable.iterator()

listIterator

public CharListIterator listIterator(int i)

Description copied from interface: CharList

Returns a type-specific list iterator on the list starting at a given index.

Specified by:

listIterator in interface CharList

Specified by:

listIterator in interface List<Character>

See Also:

• List.listIterator(int)

subList

public CharList subList(int from,
 int to)

Description copied from interface: CharList

Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.

Specified by:

subList in interface CharList

Specified by:

subList in interface List<Character>

See Also:

• List.subList(int,int)

getElements

public void getElements(int from,
 char[] a,
 int offset,
 int length)

Description copied from interface: CharList

Copies (hopefully quickly) elements of this type-specific list into the given array.

Specified by:

getElements in interface CharList

Parameters:

from - the start index (inclusive).

a - the destination array.

offset - the offset into the destination array where to store the first element copied.

length - the number of elements to be copied.

removeElements

public void removeElements(int from,
 int to)

Description copied from interface: CharList

Removes (hopefully quickly) elements of this type-specific list.

Specified by:

removeElements in interface CharList

Parameters:

from - the start index (inclusive).

to - the end index (exclusive).

addElements

public void addElements(int index,
 char[] a,
 int offset,
 int length)

Description copied from interface: CharList

Add (hopefully quickly) elements to this type-specific list.

Specified by:

addElements in interface CharList

Parameters:

index - the index at which to add elements.

a - the array containing the elements.

offset - the offset of the first element to add.

length - the number of elements to add.

addElements

public void addElements(int index,
 char[] a)

Description copied from interface: CharList

Add (hopefully quickly) elements to this type-specific list.

Specified by:

addElements in interface CharList

Parameters:

index - the index at which to add elements.

a - the array containing the elements.

setElements

public void setElements(char[] a)

Description copied from interface: CharList

Set (hopefully quickly) elements to match the array given.

Specified by:

setElements in interface CharList

Parameters:

a - the array containing the elements.

setElements

public void setElements(int index,
 char[] a)

Description copied from interface: CharList

Set (hopefully quickly) elements to match the array given.

Specified by:

setElements in interface CharList

Parameters:

index - the index at which to start setting elements.

a - the array containing the elements.

setElements

public void setElements(int index,
 char[] a,
 int offset,
 int length)

Description copied from interface: CharList

Set (hopefully quickly) elements to match the array given. Sets each in this list to the corresponding elements in the array, as if by

 ListIterator iter = listIterator(index);
 int i = 0;
 while (i < length) {
        iter.next();
        iter.set(a[offset + i++]);
 }
 

However, the exact implementation may be more efficient, taking into account whether random access is faster or not, or at the discretion of subclasses, abuse internals.

Specified by:

setElements in interface CharList

Parameters:

index - the index at which to start setting elements.

a - the array containing the elements

offset - the offset of the first element to add.

length - the number of elements to add.

size

public void size(int s)

Description copied from interface: CharList

Sets the size of this list.

If the specified size is smaller than the current size, the last elements are discarded. Otherwise, they are filled with 0/null/false.

Specified by:

size in interface CharList

Parameters:

s - the new size.

compareTo

public int compareTo(List<? extends Character> o)

Specified by:

compareTo in interface Comparable<List<? extends Character>>

clone

public Object clone()

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<Character>

Specified by:

hashCode in interface List<Character>

Overrides:

hashCode in class CharCollections.EmptyCollection

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<Character>

Specified by:

equals in interface List<Character>

Overrides:

equals in class CharCollections.EmptyCollection

toString

public String toString()

Overrides:

toString in class AbstractCharCollection