CharCollections.UnmodifiableCollection (fastutil 7.0.13)

java.lang.Object
- it.unimi.dsi.fastutil.chars.CharCollections.UnmodifiableCollection

All Implemented Interfaces:

CharCollection, CharIterable, java.io.Serializable, java.lang.Iterable<java.lang.Character>, java.util.Collection<java.lang.Character>

Direct Known Subclasses:

CharBigLists.UnmodifiableBigList, CharLists.UnmodifiableList, CharSets.UnmodifiableSet

Enclosing class:

CharCollections
```
public static class CharCollections.UnmodifiableCollection
extends java.lang.Object
implements CharCollection, java.io.Serializable
```
An unmodifiable wrapper class for collections.

See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`boolean`	`add(char k)`
`boolean`	`add(java.lang.Character k)`
`boolean`	`addAll(CharCollection c)`
`boolean`	`addAll(java.util.Collection<? extends java.lang.Character> c)`
`CharIterator`	`charIterator()` Deprecated.
`void`	`clear()`
`boolean`	`contains(char o)`
`boolean`	`contains(java.lang.Object k)`
`boolean`	`containsAll(CharCollection c)`
`boolean`	`containsAll(java.util.Collection<?> c)`
`boolean`	`isEmpty()`
`CharIterator`	`iterator()` Returns a type-specific iterator on the elements of this collection.
`boolean`	`rem(char k)` 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.
`boolean`	`remove(java.lang.Object ok)`
`boolean`	`removeAll(CharCollection c)`
`boolean`	`removeAll(java.util.Collection<?> c)`
`boolean`	`retainAll(CharCollection c)`
`boolean`	`retainAll(java.util.Collection<?> c)`
`int`	`size()`
`java.lang.Object[]`	`toArray()`
`char[]`	`toArray(char[] a)` Returns a primitive type array containing the items of this collection.
`<T> T[]`	`toArray(T[] a)` Returns an containing the items of this collection; the runtime type of the returned array is that of the specified array.
`char[]`	`toCharArray()` Returns a primitive type array containing the items of this collection.
`char[]`	`toCharArray(char[] a)` Returns a primitive type array containing the items of this collection.
`java.lang.String`	`toString()`

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

Methods inherited from interface java.util.Collection
equals, hashCode, parallelStream, removeIf, spliterator, stream

Methods inherited from interface java.lang.Iterable
forEach

- Method Detail
  - size
```
public int size()
```
    Specified by:
    
    size in interface java.util.Collection<java.lang.Character>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface java.util.Collection<java.lang.Character>
  - contains
```
public boolean contains(char o)
```
    Specified by:
    
    contains in interface CharCollection
    
    See Also:
    
    Collection.contains(Object)
  - iterator
```
public CharIterator iterator()
```
    Description copied from interface: CharCollection
    
    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.
    
    Specified by:
    
    iterator in interface CharCollection
    
    Specified by:
    
    iterator in interface CharIterable
    
    Specified by:
    
    iterator in interface java.lang.Iterable<java.lang.Character>
    
    Specified by:
    
    iterator in interface java.util.Collection<java.lang.Character>
    
    Returns:
    
    a type-specific iterator on the elements of this collection.
  - charIterator
```
@Deprecated
public CharIterator charIterator()
```
    Deprecated.
    
    Description copied from interface: CharCollection
    
    Returns a type-specific iterator on this elements of this collection.
    
    Specified by:
    
    charIterator in interface CharCollection
    
    See Also:
    
    CharCollection.iterator()
  - add
```
public boolean add(char k)
```
    Specified by:
    
    add in interface CharCollection
    
    See Also:
    
    Collection.add(Object)
  - remove
```
public boolean remove(java.lang.Object ok)
```
    Specified by:
    
    remove in interface java.util.Collection<java.lang.Character>
  - addAll
```
public boolean addAll(java.util.Collection<? extends java.lang.Character> c)
```
    Specified by:
    
    addAll in interface java.util.Collection<java.lang.Character>
  - containsAll
```
public boolean containsAll(java.util.Collection<?> c)
```
    Specified by:
    
    containsAll in interface java.util.Collection<java.lang.Character>
  - removeAll
```
public boolean removeAll(java.util.Collection<?> c)
```
    Specified by:
    
    removeAll in interface java.util.Collection<java.lang.Character>
  - retainAll
```
public boolean retainAll(java.util.Collection<?> c)
```
    Specified by:
    
    retainAll in interface java.util.Collection<java.lang.Character>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface java.util.Collection<java.lang.Character>
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - toArray
```
public <T> T[] toArray(T[] a)
```
    Description copied from interface: CharCollection
    
    Returns an containing the items of this collection; the runtime type of the returned array is that of the specified array.
    Warning: Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.
    
    Specified by:
    
    toArray in interface CharCollection
    
    Specified by:
    
    toArray in interface java.util.Collection<java.lang.Character>
    
    Parameters:
    
    a - if this array is big enough, it will be used to store this collection.
    
    Returns:
    
    a primitive type array containing the items of this collection.
    
    See Also:
    
    Collection.toArray(Object[])
  - toArray
```
public java.lang.Object[] toArray()
```
    Specified by:
    
    toArray in interface java.util.Collection<java.lang.Character>
  - toCharArray
```
public char[] toCharArray()
```
    Description copied from interface: CharCollection
    
    Returns a primitive type array containing the items of this collection.
    
    Specified by:
    
    toCharArray in interface CharCollection
    
    Returns:
    
    a primitive type array containing the items of this collection.
    
    See Also:
    
    Collection.toArray()
  - toCharArray
```
public char[] toCharArray(char[] a)
```
    Description copied from interface: CharCollection
    
    Returns a primitive type array containing the items of this collection.
    Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.
    
    Specified by:
    
    toCharArray in interface CharCollection
    
    Parameters:
    
    a - if this array is big enough, it will be used to store this collection.
    
    Returns:
    
    a primitive type array containing the items of this collection.
    
    See Also:
    
    Collection.toArray(Object[])
  - toArray
```
public char[] toArray(char[] a)
```
    Description copied from interface: CharCollection
    
    Returns a primitive type array containing the items of this collection.
    Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.
    
    Specified by:
    
    toArray in interface CharCollection
    
    Parameters:
    
    a - if this array is big enough, it will be used to store this collection.
    
    Returns:
    
    a primitive type array containing the items of this collection.
    
    See Also:
    
    Collection.toArray(Object[])
  - rem
```
public boolean rem(char k)
```
    Description copied from interface: CharCollection
    
    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
    
    See Also:
    
    Collection.remove(Object)
  - addAll
```
public boolean addAll(CharCollection c)
```
    Specified by:
    
    addAll in interface CharCollection
    
    See Also:
    
    Collection.addAll(Collection)
  - containsAll
```
public boolean containsAll(CharCollection c)
```
    Specified by:
    
    containsAll in interface CharCollection
    
    See Also:
    
    Collection.containsAll(Collection)
  - removeAll
```
public boolean removeAll(CharCollection c)
```
    Specified by:
    
    removeAll in interface CharCollection
    
    See Also:
    
    Collection.removeAll(Collection)
  - retainAll
```
public boolean retainAll(CharCollection c)
```
    Specified by:
    
    retainAll in interface CharCollection
    
    See Also:
    
    Collection.retainAll(Collection)
  - add
```
public boolean add(java.lang.Character k)
```
    Specified by:
    
    add in interface java.util.Collection<java.lang.Character>
  - contains
```
public boolean contains(java.lang.Object k)
```
    Specified by:
    
    contains in interface java.util.Collection<java.lang.Character>

Class CharCollections.UnmodifiableCollection

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Method Detail

size

isEmpty

contains

iterator

charIterator

add

remove

addAll

containsAll

removeAll

retainAll

clear

toString

toArray

toArray

toCharArray

toCharArray

toArray

rem

addAll

containsAll

removeAll

retainAll

add

contains