java.lang.Object
- java.util.AbstractCollection<java.lang.Long>
- - it.unimi.dsi.fastutil.longs.AbstractLongCollection
  - - it.unimi.dsi.fastutil.longs.AbstractLongList
    - - it.unimi.dsi.fastutil.longs.LongLists.Singleton

All Implemented Interfaces:

LongCollection, LongIterable, LongList, LongStack, Stack<java.lang.Long>, java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<java.util.List<? extends java.lang.Long>>, java.lang.Iterable<java.lang.Long>, java.util.Collection<java.lang.Long>, java.util.List<java.lang.Long>, java.util.RandomAccess

Enclosing class:

LongLists
```
public static class LongLists.Singleton
extends AbstractLongList
implements java.util.RandomAccess, java.io.Serializable, java.lang.Cloneable
```
An immutable class representing a type-specific singleton list.
This class may be useful to implement your own in case you subclass a type-specific list.

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.longs.AbstractLongList
  AbstractLongList.LongSubList

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`addAll(int i, LongCollection 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, LongList 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, java.util.Collection<? extends java.lang.Long> c)`	Adds all of the elements in the specified collection to this list (optional operation).
`boolean`	`addAll(LongCollection c)`	Adds all elements of the given type-specific collection to this collection.
`boolean`	`addAll(LongList c)`	Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).
`boolean`	`addAll(java.util.Collection<? extends java.lang.Long> c)`
`void`	`clear()`
`java.lang.Object`	`clone()`
`boolean`	`contains(long k)`	Returns true if this list contains the specified element.
`long`	`getLong(int i)`	Returns the element at the specified position in this list.
`LongListIterator`	`iterator()`	Returns a type-specific iterator on the elements of this collection.
`LongListIterator`	`listIterator()`	Returns a type-specific list iterator on the list.
`LongListIterator`	`listIterator(int i)`	Returns a type-specific list iterator on the list starting at a given index.
`boolean`	`rem(long k)`	Removes a single instance of the specified element from this collection, if it is present (optional operation).
`boolean`	`removeAll(LongCollection c)`	Remove from this collection all elements in the given type-specific collection.
`boolean`	`removeAll(java.util.Collection<?> c)`
`long`	`removeLong(int i)`	Removes the element at the specified position in this list (optional operation).
`boolean`	`retainAll(LongCollection c)`	Retains in this collection only elements from the given type-specific collection.
`boolean`	`retainAll(java.util.Collection<?> c)`
`int`	`size()`
`void`	`size(int size)`	Sets the size of this list.
`LongList`	`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.
`long[]`	`toLongArray()`	Returns a primitive type array containing the items of this collection.

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongList
add, add, addElements, addElements, compareTo, equals, getElements, hashCode, indexOf, lastIndexOf, peekLong, popLong, push, removeElements, set, topLong, toString

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection
add, contains, containsAll, remove, toArray, toLongArray

Methods inherited from class java.util.AbstractCollection
containsAll, isEmpty, toArray, toArray

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection
parallelStream, stream, toArray

Methods inherited from interface java.util.List
containsAll, isEmpty, replaceAll, sort, spliterator, toArray, toArray

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongCollection
containsAll, removeIf, removeIf, toArray, toLongArray

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterable
forEach, forEach

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongList
add, add, contains, get, indexOf, lastIndexOf, remove, remove, set

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongStack
peek, pop, push, top

Methods inherited from interface it.unimi.dsi.fastutil.Stack
isEmpty

- Method Detail
  - getLong
```
public long getLong(int i)
```
    Description copied from interface: LongList
    
    Returns the element at the specified position in this list.
    
    Specified by:
    
    getLong in interface LongList
    
    See Also:
    
    List.get(int)
  - rem
```
public boolean rem(long k)
```
    Description copied from class: AbstractLongList
    
    Removes a single instance of the specified element from this collection, if it is present (optional operation).
    This implementation delegates to indexOf().
    
    Specified by:
    
    rem in interface LongCollection
    
    Overrides:
    
    rem in class AbstractLongList
    
    See Also:
    
    List.remove(Object)
  - removeLong
```
public long removeLong(int i)
```
    Description copied from class: AbstractLongList
    
    Removes the element at the specified position in this list (optional operation).
    This implementation always throws an UnsupportedOperationException.
    
    Specified by:
    
    removeLong in interface LongList
    
    Overrides:
    
    removeLong in class AbstractLongList
    
    See Also:
    
    List.remove(int)
  - contains
```
public boolean contains(long k)
```
    Description copied from class: AbstractLongList
    
    Returns true if this list contains the specified element.
    This implementation delegates to indexOf().
    
    Specified by:
    
    contains in interface LongCollection
    
    Overrides:
    
    contains in class AbstractLongList
    
    See Also:
    
    List.contains(Object)
  - toLongArray
```
public long[] toLongArray()
```
    Description copied from interface: LongCollection
    
    Returns a primitive type array containing the items of this collection.
    
    Specified by:
    
    toLongArray in interface LongCollection
    
    Overrides:
    
    toLongArray in class AbstractLongCollection
    
    Returns:
    
    a primitive type array containing the items of this collection.
    
    See Also:
    
    Collection.toArray()
  - listIterator
```
public LongListIterator listIterator()
```
    Description copied from class: AbstractLongList
    
    Returns a type-specific list iterator on the list.
    This implementation delegates to listIterator(0).
    
    Specified by:
    
    listIterator in interface java.util.List<java.lang.Long>
    
    Specified by:
    
    listIterator in interface LongList
    
    Overrides:
    
    listIterator in class AbstractLongList
    
    See Also:
    
    List.listIterator()
  - iterator
```
public LongListIterator iterator()
```
    Description copied from class: AbstractLongList
    
    Returns a type-specific iterator on the elements of this collection.
    Note that this specification strengthens the one given in Iterable.iterator(), which was already strengthened in the corresponding type-specific class, but was weakened by the fact that this interface extends Collection.
    This implementation delegates to AbstractLongList.listIterator().
    
    Specified by:
    
    iterator in interface java.util.Collection<java.lang.Long>
    
    Specified by:
    
    iterator in interface java.lang.Iterable<java.lang.Long>
    
    Specified by:
    
    iterator in interface java.util.List<java.lang.Long>
    
    Specified by:
    
    iterator in interface LongCollection
    
    Specified by:
    
    iterator in interface LongIterable
    
    Specified by:
    
    iterator in interface LongList
    
    Overrides:
    
    iterator in class AbstractLongList
    
    Returns:
    
    a type-specific iterator on the elements of this collection.
    
    See Also:
    
    Iterable.iterator()
  - listIterator
```
public LongListIterator listIterator(int i)
```
    Description copied from class: AbstractLongList
    
    Returns a type-specific list iterator on the list starting at a given index.
    This implementation is based on the random-access methods.
    
    Specified by:
    
    listIterator in interface java.util.List<java.lang.Long>
    
    Specified by:
    
    listIterator in interface LongList
    
    Overrides:
    
    listIterator in class AbstractLongList
    
    See Also:
    
    List.listIterator(int)
  - subList
```
public LongList subList(int from,
                        int to)
```
    Description copied from interface: LongList
    
    Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.
    Note that this specification strengthens the one given in List.subList(int,int).
    
    Specified by:
    
    subList in interface java.util.List<java.lang.Long>
    
    Specified by:
    
    subList in interface LongList
    
    Overrides:
    
    subList in class AbstractLongList
    
    See Also:
    
    List.subList(int,int)
  - addAll
```
public boolean addAll(int i,
                      java.util.Collection<? extends java.lang.Long> c)
```
    Description copied from class: AbstractLongList
    
    Adds all of the elements in the specified collection to this list (optional operation).
    
    Specified by:
    
    addAll in interface java.util.List<java.lang.Long>
    
    Overrides:
    
    addAll in class AbstractLongList
  - addAll
```
public boolean addAll(java.util.Collection<? extends java.lang.Long> c)
```
    Description copied from class: AbstractLongList
    
    This implementation delegates to the type-specific version of List.addAll(int, Collection).
    
    Specified by:
    
    addAll in interface java.util.Collection<java.lang.Long>
    
    Specified by:
    
    addAll in interface java.util.List<java.lang.Long>
    
    Overrides:
    
    addAll in class AbstractLongList
  - removeAll
```
public boolean removeAll(java.util.Collection<?> c)
```
    Specified by:
    
    removeAll in interface java.util.Collection<java.lang.Long>
    
    Specified by:
    
    removeAll in interface java.util.List<java.lang.Long>
    
    Overrides:
    
    removeAll in class java.util.AbstractCollection<java.lang.Long>
  - retainAll
```
public boolean retainAll(java.util.Collection<?> c)
```
    Specified by:
    
    retainAll in interface java.util.Collection<java.lang.Long>
    
    Specified by:
    
    retainAll in interface java.util.List<java.lang.Long>
    
    Overrides:
    
    retainAll in class java.util.AbstractCollection<java.lang.Long>
  - addAll
```
public boolean addAll(LongList c)
```
    Description copied from class: AbstractLongList
    
    Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).
    This implementation delegates to the type-specific list version of List.addAll(int, Collection).
    
    Specified by:
    
    addAll in interface LongList
    
    Overrides:
    
    addAll in class AbstractLongList
    
    See Also:
    
    List.add(int,Object)
  - addAll
```
public boolean addAll(int i,
                      LongList c)
```
    Description copied from class: AbstractLongList
    
    Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).
    This implementation delegates to the type-specific version of List.addAll(int, Collection).
    
    Specified by:
    
    addAll in interface LongList
    
    Overrides:
    
    addAll in class AbstractLongList
    
    See Also:
    
    List.add(int,Object)
  - addAll
```
public boolean addAll(int i,
                      LongCollection c)
```
    Description copied from interface: LongList
    
    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 LongList
    
    Overrides:
    
    addAll in class AbstractLongList
    
    See Also:
    
    List.addAll(int,java.util.Collection)
  - addAll
```
public boolean addAll(LongCollection c)
```
    Description copied from class: AbstractLongList
    
    Adds all elements of the given type-specific collection to this collection.
    This implementation delegates to the type-specific version of List.addAll(int, Collection).
    
    Specified by:
    
    addAll in interface LongCollection
    
    Overrides:
    
    addAll in class AbstractLongList
    
    Parameters:
    
    c - a type-specific collection.
    
    Returns:
    
    true if this collection changed as a result of the call.
    
    See Also:
    
    Collection.addAll(Collection)
  - removeAll
```
public boolean removeAll(LongCollection c)
```
    Description copied from interface: LongCollection
    
    Remove from this collection all elements in the given type-specific collection.
    
    Specified by:
    
    removeAll in interface LongCollection
    
    Overrides:
    
    removeAll in class AbstractLongCollection
    
    Parameters:
    
    c - a type-specific collection.
    
    Returns:
    
    true if this collection changed as a result of the call.
    
    See Also:
    
    Collection.removeAll(Collection)
  - retainAll
```
public boolean retainAll(LongCollection c)
```
    Description copied from interface: LongCollection
    
    Retains in this collection only elements from the given type-specific collection.
    
    Specified by:
    
    retainAll in interface LongCollection
    
    Overrides:
    
    retainAll in class AbstractLongCollection
    
    Parameters:
    
    c - a type-specific collection.
    
    Returns:
    
    true if this collection changed as a result of the call.
    
    See Also:
    
    Collection.retainAll(Collection)
  - size
```
public int size()
```
    Specified by:
    
    size in interface java.util.Collection<java.lang.Long>
    
    Specified by:
    
    size in interface java.util.List<java.lang.Long>
    
    Specified by:
    
    size in class java.util.AbstractCollection<java.lang.Long>
  - size
```
public void size(int size)
```
    Description copied from interface: LongList
    
    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 LongList
    
    Overrides:
    
    size in class AbstractLongList
    
    Parameters:
    
    size - the new size.
  - clear
```
public void clear()
```
    Description copied from class: AbstractLongList
    
    This implementation delegates to AbstractLongList.removeElements(int, int).
    
    Specified by:
    
    clear in interface java.util.Collection<java.lang.Long>
    
    Specified by:
    
    clear in interface java.util.List<java.lang.Long>
    
    Overrides:
    
    clear in class AbstractLongList
  - clone
```
public java.lang.Object clone()
```

Class LongLists.Singleton

Nested Class Summary

Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.longs.AbstractLongList

Method Summary

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongList

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection

Methods inherited from class java.util.AbstractCollection

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Collection

Methods inherited from interface java.util.List

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongCollection

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterable

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongList

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongStack

Methods inherited from interface it.unimi.dsi.fastutil.Stack

Method Detail

getLong

rem

removeLong

contains

toLongArray

listIterator

iterator

listIterator

subList

addAll

addAll

removeAll

retainAll

addAll

addAll

addAll

addAll

removeAll

retainAll

size

size

clear

clone