E
- the element typepublic class MapDelegateSet<E> extends AbstractSet<E> implements Serializable
Constructor and Description |
---|
MapDelegateSet(Map<E,Object> map)
Set the initial map.
|
Modifier and Type | Method and Description |
---|---|
boolean |
add(E o)
Adds the specified element to this set if it is not already
present.
|
void |
clear()
Removes all of the elements from this set.
|
boolean |
contains(Object o)
Returns true if this set contains the specified element.
|
boolean |
isEmpty()
Returns true if this set contains no elements.
|
Iterator<E> |
iterator()
Returns an iterator over the elements in this set.
|
boolean |
remove(Object o)
Removes the specified element from this set if it is present.
|
int |
size()
Returns the number of elements in this set (its cardinality).
|
String |
toString() |
equals, hashCode, removeAll
addAll, containsAll, retainAll, toArray, toArray
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
addAll, containsAll, retainAll, spliterator, toArray, toArray
parallelStream, removeIf, stream
public Iterator<E> iterator()
iterator
in interface Iterable<E>
iterator
in interface Collection<E>
iterator
in interface Set<E>
iterator
in class AbstractCollection<E>
ConcurrentModificationException
public int size()
size
in interface Collection<E>
size
in interface Set<E>
size
in class AbstractCollection<E>
public boolean isEmpty()
isEmpty
in interface Collection<E>
isEmpty
in interface Set<E>
isEmpty
in class AbstractCollection<E>
public boolean contains(Object o)
contains
in interface Collection<E>
contains
in interface Set<E>
contains
in class AbstractCollection<E>
o
- element whose presence in this set is to be tested.public boolean add(E o)
add
in interface Collection<E>
add
in interface Set<E>
add
in class AbstractCollection<E>
o
- element to be added to this set.public boolean remove(Object o)
remove
in interface Collection<E>
remove
in interface Set<E>
remove
in class AbstractCollection<E>
o
- object to be removed from this set, if present.public void clear()
clear
in interface Collection<E>
clear
in interface Set<E>
clear
in class AbstractCollection<E>
public String toString()
toString
in class AbstractCollection<E>
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