public class BinaryMap.EntrySet extends AbstractSet
Constructor and Description |
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EntrySet() |
Modifier and Type | Method and Description |
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void |
clear()
Removes all of the elements from this set of Keys by clearing the underlying Map.
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boolean |
contains(Object o)
Returns true if this collection contains the specified element.
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Iterator |
iterator()
Returns an iterator over the elements contained in this collection.
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int |
size()
Returns the number of elements in this collection.
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Object[] |
toArray()
Returns an array containing all of the elements in this collection.
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Object[] |
toArray(Object[] ao)
Returns an array with a runtime type is that of the specified array and that contains all of the keys in this Set.
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equals, hashCode, removeAll
add, addAll, containsAll, isEmpty, remove, retainAll, toString
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
add, addAll, containsAll, isEmpty, remove, retainAll, spliterator
parallelStream, removeIf, stream
public Iterator iterator()
iterator
in interface Iterable
iterator
in interface Collection
iterator
in interface Set
iterator
in class AbstractCollection
public int size()
size
in interface Collection
size
in interface Set
size
in class AbstractCollection
public boolean contains(Object o)
contains
in interface Collection
contains
in interface Set
contains
in class AbstractCollection
o
- object to be checked for containment in this collectionpublic void clear()
clear
in interface Collection
clear
in interface Set
clear
in class AbstractCollection
public Object[] toArray()
toArray
in interface Collection
toArray
in interface Set
toArray
in class AbstractCollection
public Object[] toArray(Object[] ao)
If the Set fits in the specified array with room to spare (i.e., the array has more elements than the Set), the element in the array immediately following the end of the Set is set to null. This is useful in determining the length of the Set only if the caller knows that the Set does not contain any null keys.)
toArray
in interface Collection
toArray
in interface Set
toArray
in class AbstractCollection
ao
- the array into which the elements of the Set are to be stored, if it is big enough; otherwise, a new array of the same runtime type is allocated for this purposeArrayStoreException
- if the runtime type of the specified array is not a supertype of the runtime type of every element in this Set of keys