Package it.unimi.dsi.fastutil.chars

Class CharSets.UnmodifiableSet

java.lang.Object
it.unimi.dsi.fastutil.chars.CharSets.UnmodifiableSet
All Implemented Interfaces:
CharCollection, CharIterable, CharSet, java.io.Serializable, java.lang.Iterable<java.lang.Character>, java.util.Collection<java.lang.Character>, java.util.Set<java.lang.Character>
Direct Known Subclasses:
CharSortedSets.UnmodifiableSortedSet
Enclosing class:
CharSets
public static class CharSets.UnmodifiableSet
extends java.lang.Object
implements CharSet, java.io.Serializable
An unmodifiable wrapper class for sets.
See Also:
Serialized Form

  • Method Summary

    Modifier and Type Method Description
    boolean add​(char k)
    Ensures that this collection contains the specified element (optional operation).
    boolean add​(java.lang.Character k)
    Deprecated.
    boolean addAll​(CharCollection c)
    Adds all elements of the given type-specific collection to this collection.
    boolean addAll​(java.util.Collection<? extends java.lang.Character> c)  
    void clear()  
    boolean contains​(char o)
    Returns true if this collection contains the specified element.
    boolean contains​(java.lang.Object k)
    Deprecated.
    boolean containsAll​(CharCollection c)
    Checks whether this collection contains all elements from the given type-specific collection.
    boolean containsAll​(java.util.Collection<?> c)  
    boolean equals​(java.lang.Object o)  
    void forEach​(CharConsumer action)
    Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
    int hashCode()  
    IntIterator intIterator()
    Returns a widened primitive iterator on the elements of this collection.
    java.util.stream.IntStream intParallelStream()
    Return a parallel primitive stream over the elements, performing widening casts if needed.
    IntSpliterator intSpliterator()
    Returns widened primitive spliterator on the elements of this collection.
    java.util.stream.IntStream intStream()
    Return a primitive stream over the elements, performing widening casts if needed.
    boolean isEmpty()  
    CharIterator iterator()
    Returns a type-specific iterator on the elements of this collection.
    java.util.stream.Stream<java.lang.Character> parallelStream()
    Deprecated.
    boolean rem​(char k)
    Deprecated.
    boolean remove​(char k)
    Removes an element from this set.
    boolean remove​(java.lang.Object k)
    Deprecated.
    boolean removeAll​(CharCollection c)
    Remove from this collection all elements in the given type-specific collection.
    boolean removeAll​(java.util.Collection<?> c)  
    boolean removeIf​(CharPredicate filter)
    Remove from this collection all elements which satisfy the given predicate.
    boolean retainAll​(CharCollection c)
    Retains in this collection only elements from the given type-specific collection.
    boolean retainAll​(java.util.Collection<?> c)  
    int size()  
    CharSpliterator spliterator()
    Returns a type-specific spliterator on the elements of this collection.
    java.util.stream.Stream<java.lang.Character> stream()
    Deprecated.
    java.lang.Object[] toArray()  
    char[] toArray​(char[] a)
    Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.
    <T> T[] toArray​(T[] a)  
    char[] toCharArray()
    Returns a primitive type array containing the items of this collection.
    char[] toCharArray​(char[] a)
    Deprecated.
    java.lang.String toString()  

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

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

    add, 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.CharSet

    add, contains, iterator, remove, spliterator

    Methods inherited from interface java.util.Collection

    toArray

    Methods inherited from interface java.util.Set

    addAll, clear, containsAll, isEmpty, removeAll, retainAll, size, toArray, toArray

  • Method Details

    • remove

      public boolean remove​(char k)
      Description copied from interface: CharSet
      Removes an element from this set.
      Specified by:
      remove in interface CharSet
      See Also:
      Collection.remove(Object)

    • equals

      public boolean equals​(java.lang.Object o)
      Specified by:
      equals in interface java.util.Collection<java.lang.Character>
      Specified by:
      equals in interface java.util.Set<java.lang.Character>

    • hashCode

      public int hashCode()
      Specified by:
      hashCode in interface java.util.Collection<java.lang.Character>
      Specified by:
      hashCode in interface java.util.Set<java.lang.Character>

    • rem

      @Deprecated public boolean rem​(char k)
      Deprecated.
      Description copied from interface: CharCollection
      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
      Specified by:
      rem in interface CharSet
      See Also:
      Collection.remove(Object)

    • add

      public boolean add​(char k)
      Description copied from interface: CharCollection
      Ensures that this collection contains the specified element (optional operation).
      Specified by:
      add in interface CharCollection
      See Also:
      Collection.add(Object)

    • 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)
      Description copied from interface: CharCollection
      Returns true if this collection contains the specified element.
      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.
      Specified by:
      iterator in interface CharCollection
      Specified by:
      iterator in interface CharIterable
      Specified by:
      iterator in interface java.util.Collection<java.lang.Character>
      Specified by:
      iterator in interface java.lang.Iterable<java.lang.Character>
      Returns:
      a type-specific iterator on the elements of this collection.
      See Also:
      Iterable.iterator()

    • spliterator

      public CharSpliterator spliterator()
      Description copied from interface: CharCollection
      Returns a type-specific spliterator on the elements of this collection.

      See Collection.spliterator() for more documentation on the requirements of the returned spliterator.

      Specified by:
      spliterator in interface CharCollection
      Specified by:
      spliterator in interface CharIterable
      Specified by:
      spliterator in interface java.util.Collection<java.lang.Character>
      Specified by:
      spliterator in interface java.lang.Iterable<java.lang.Character>
      Returns:
      a type-specific spliterator on the elements of this collection.

    • stream

      @Deprecated public java.util.stream.Stream<java.lang.Character> stream()
      Deprecated.
      Description copied from interface: CharCollection
      Specified by:
      stream in interface CharCollection
      Specified by:
      stream in interface java.util.Collection<java.lang.Character>

    • parallelStream

      @Deprecated public java.util.stream.Stream<java.lang.Character> parallelStream()
      Deprecated.
      Description copied from interface: CharCollection
      Specified by:
      parallelStream in interface CharCollection
      Specified by:
      parallelStream in interface java.util.Collection<java.lang.Character>

    • clear

      public void clear()
      Specified by:
      clear in interface java.util.Collection<java.lang.Character>

    • toArray

      public <T> T[] toArray​(T[] a)
      Specified by:
      toArray in interface java.util.Collection<java.lang.Character>

    • toArray

      public java.lang.Object[] toArray()
      Specified by:
      toArray in interface java.util.Collection<java.lang.Character>

    • forEach

      public void forEach​(CharConsumer action)
      Description copied from interface: CharIterable
      Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
      Specified by:
      forEach in interface CharIterable
      Parameters:
      action - the action to be performed for each element.
      See Also:
      Iterable.forEach(java.util.function.Consumer)

    • containsAll

      public boolean containsAll​(java.util.Collection<?> c)
      Specified by:
      containsAll 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>

    • 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>

    • removeIf

      public boolean removeIf​(CharPredicate filter)
      Description copied from interface: CharCollection
      Remove from this collection all elements which satisfy the given predicate.
      Specified by:
      removeIf in interface CharCollection
      Parameters:
      filter - a predicate which returns true for elements to be removed.
      Returns:
      true if any elements were removed.
      See Also:
      Collection.removeIf(java.util.function.Predicate)

    • add

      @Deprecated public boolean add​(java.lang.Character k)
      Deprecated.
      Description copied from interface: CharCollection
      Specified by:
      add in interface CharCollection
      Specified by:
      add in interface java.util.Collection<java.lang.Character>

    • contains

      @Deprecated public boolean contains​(java.lang.Object k)
      Deprecated.
      Description copied from interface: CharCollection
      Specified by:
      contains in interface CharCollection
      Specified by:
      contains in interface java.util.Collection<java.lang.Character>

    • remove

      @Deprecated public boolean remove​(java.lang.Object k)
      Deprecated.
      Description copied from interface: CharCollection
      Specified by:
      remove in interface CharCollection
      Specified by:
      remove 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

      @Deprecated public char[] toCharArray​(char[] a)
      Deprecated.
      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 an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.

      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[])

    • containsAll

      public boolean containsAll​(CharCollection c)
      Description copied from interface: CharCollection
      Checks whether this collection contains all elements from the given type-specific collection.
      Specified by:
      containsAll in interface CharCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection contains all elements of the argument.
      See Also:
      Collection.containsAll(Collection)

    • addAll

      public boolean addAll​(CharCollection c)
      Description copied from interface: CharCollection
      Adds all elements of the given type-specific collection to this collection.
      Specified by:
      addAll in interface CharCollection
      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​(CharCollection c)
      Description copied from interface: CharCollection
      Remove from this collection all elements in the given type-specific collection.
      Specified by:
      removeAll in interface CharCollection
      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​(CharCollection c)
      Description copied from interface: CharCollection
      Retains in this collection only elements from the given type-specific collection.
      Specified by:
      retainAll in interface CharCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.retainAll(Collection)

    • intIterator

      public IntIterator intIterator()
      Description copied from interface: CharCollection
      Returns a widened primitive iterator on the elements of this collection.

      This method is provided for the purpose of APIs that expect only the JDK's primitive iterators, of which there are only int, long, and double.

      WARNING: This is not the same as converting the source to a sequence of code points. This returned instance literally performs (int)(charValue) casts. Surrogate pairs will be left as separate elements instead of combined into a single element with the code point it represents. See Character for more discussion on code points, char values, and surrogate pairs.

      Specified by:
      intIterator in interface CharCollection
      Specified by:
      intIterator in interface CharIterable
      Returns:
      a widened primitive iterator on the elements of this collection.

    • intSpliterator

      public IntSpliterator intSpliterator()
      Description copied from interface: CharCollection
      Returns widened primitive spliterator on the elements of this collection.

      This method is provided for the purpose of APIs that expect only the JDK's primitive spliterators, of which there are only int, long, and double.

      WARNING: This is not the same as converting the source to a sequence of code points. This returned instance literally performs (int)(charValue) casts. Surrogate pairs will be left as separate elements instead of combined into a single element with the code point it represents. See Character for more discussion on code points, char values, and surrogate pairs.

      Specified by:
      intSpliterator in interface CharCollection
      Specified by:
      intSpliterator in interface CharIterable
      Returns:
      a widened primitive spliterator on the elements of this collection.

    • intStream

      public java.util.stream.IntStream intStream()
      Description copied from interface: CharCollection
      Return a primitive stream over the elements, performing widening casts if needed.

      WARNING: This is not the same as converting the source to a sequence of code points. This returned instance literally performs (int)(charValue) casts. Surrogate pairs will be left as separate elements instead of combined into a single element with the code point it represents. See Character for more discussion on code points, char values, and surrogate pairs.

      Specified by:
      intStream in interface CharCollection
      Returns:
      a primitive stream over the elements.
      See Also:
      Collection.stream(), IntStream

    • intParallelStream

      public java.util.stream.IntStream intParallelStream()
      Description copied from interface: CharCollection
      Return a parallel primitive stream over the elements, performing widening casts if needed.

      WARNING: This is not the same as converting the source to a sequence of code points. This returned instance literally performs (int)(charValue) casts. Surrogate pairs will be left as separate elements instead of combined into a single element with the code point it represents. See Character for more discussion on code points, char values, and surrogate pairs.

      Specified by:
      intParallelStream in interface CharCollection
      Returns:
      a parallel primitive stream over the elements.
      See Also:
      Collection.parallelStream(), IntStream

    • toString

      public java.lang.String toString()
      Overrides:
      toString in class java.lang.Object