java.lang.Iterable<K>, java.util.Collection<K>, java.util.Set<K>@Beta protected class ForwardingMap.StandardKeySet extends java.util.AbstractSet<E>
Map.keySet() in terms of the following
methods: ForwardingMap.clear(), ForwardingMap.containsKey(java.lang.Object),
ForwardingMap.isEmpty(), ForwardingMap.remove(java.lang.Object), ForwardingMap.size(), and the Set.iterator() method of ForwardingMap.entrySet(). In many cases, you may wish to override ForwardingMap.keySet() to forward to this implementation or a subclass
thereof.| Constructor | Description |
|---|---|
StandardKeySet() |
Constructor for use by subclasses.
|
| Modifier and Type | Method | Description |
|---|---|---|
void |
clear() |
|
boolean |
contains(java.lang.Object o) |
|
boolean |
isEmpty() |
|
java.util.Iterator<K> |
iterator() |
|
boolean |
remove(java.lang.Object o) |
|
boolean |
removeAll(java.util.Collection<?> c) |
|
boolean |
retainAll(java.util.Collection<?> c) |
|
int |
size() |
add, addAll, containsAll, toArray, toArray, toStringpublic java.util.Iterator<K> iterator()
iterator in interface java.util.Collection<K>iterator in interface java.lang.Iterable<K>iterator in interface java.util.Set<K>iterator in class java.util.AbstractCollection<K>public int size()
size in interface java.util.Collection<K>size in interface java.util.Set<K>size in class java.util.AbstractCollection<K>public boolean isEmpty()
isEmpty in interface java.util.Collection<K>isEmpty in interface java.util.Set<K>isEmpty in class java.util.AbstractCollection<K>public boolean contains(java.lang.Object o)
contains in interface java.util.Collection<K>contains in interface java.util.Set<K>contains in class java.util.AbstractCollection<K>public boolean remove(java.lang.Object o)
remove in interface java.util.Collection<K>remove in interface java.util.Set<K>remove in class java.util.AbstractCollection<K>public void clear()
clear in interface java.util.Collection<K>clear in interface java.util.Set<K>clear in class java.util.AbstractCollection<K>public boolean removeAll(java.util.Collection<?> c)
removeAll in interface java.util.Collection<E>removeAll in interface java.util.Set<E>removeAll in class java.util.AbstractSet<E>public boolean retainAll(java.util.Collection<?> c)
retainAll in interface java.util.Collection<E>retainAll in interface java.util.Set<E>retainAll in class java.util.AbstractCollection<E>