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java.lang.Objectjava.util.AbstractCollection<K>
it.unimi.dsi.fastutil.objects.AbstractObjectCollection<K>
public abstract class AbstractObjectCollection<K>
An abstract class providing basic methods for collections implementing a type-specific interface.
In particular, this class provide iterator()
, add()
, AbstractCollection.remove(Object)
and
AbstractCollection.contains(Object)
methods that just call the type-specific counterpart.
Constructor Summary | |
---|---|
protected |
AbstractObjectCollection()
|
Method Summary | ||
---|---|---|
boolean |
add(K k)
|
|
boolean |
addAll(Collection<? extends K> c)
Adds all elements of the given collection to this collection. |
|
boolean |
containsAll(Collection<?> c)
Checks whether this collection contains all elements from the given collection. |
|
boolean |
isEmpty()
|
|
abstract ObjectIterator<K> |
iterator()
Returns a type-specific iterator on the elements of this collection. |
|
ObjectIterator<K> |
objectIterator()
Deprecated. |
|
boolean |
removeAll(Collection<?> c)
Remove from this collection all elements in the given collection. |
|
boolean |
retainAll(Collection<?> c)
Retains in this collection only elements from the given collection. |
|
Object[] |
toArray()
|
|
|
toArray(T[] a)
Returns an containing the items of this collection; the runtime type of the returned array is that of the specified array. |
|
String |
toString()
|
Methods inherited from class java.util.AbstractCollection |
---|
clear, contains, remove, size |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Collection |
---|
clear, contains, equals, hashCode, remove, size |
Constructor Detail |
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protected AbstractObjectCollection()
Method Detail |
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public Object[] toArray()
toArray
in interface Collection<K>
toArray
in class AbstractCollection<K>
public <T> T[] toArray(T[] a)
ObjectCollection
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.
toArray
in interface ObjectCollection<K>
toArray
in interface Collection<K>
toArray
in class AbstractCollection<K>
a
- if this array is big enough, it will be used to store this collection.
Collection.toArray(Object[])
public boolean addAll(Collection<? extends K> c)
addAll
in interface Collection<K>
addAll
in class AbstractCollection<K>
c
- a collection.
true
if this collection changed as a result of the call.public boolean add(K k)
add
in interface Collection<K>
add
in class AbstractCollection<K>
@Deprecated public ObjectIterator<K> objectIterator()
objectIterator
in interface ObjectCollection<K>
ObjectCollection.iterator()
public abstract ObjectIterator<K> iterator()
ObjectCollection
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
.
iterator
in interface ObjectCollection<K>
iterator
in interface ObjectIterable<K>
iterator
in interface Iterable<K>
iterator
in interface Collection<K>
iterator
in class AbstractCollection<K>
public boolean containsAll(Collection<?> c)
containsAll
in interface Collection<K>
containsAll
in class AbstractCollection<K>
c
- a collection.
true
if this collection contains all elements of the argument.public boolean retainAll(Collection<?> c)
retainAll
in interface Collection<K>
retainAll
in class AbstractCollection<K>
c
- a collection.
true
if this collection changed as a result of the call.public boolean removeAll(Collection<?> c)
removeAll
in interface Collection<K>
removeAll
in class AbstractCollection<K>
c
- a collection.
true
if this collection changed as a result of the call.public boolean isEmpty()
isEmpty
in interface Collection<K>
isEmpty
in class AbstractCollection<K>
public String toString()
toString
in class AbstractCollection<K>
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