java.lang.Object
- java.util.AbstractCollection<E>
- - java.util.AbstractSet<E>
  - - com.google.common.collect.ForwardingNavigableMap.StandardNavigableKeySet

All Implemented Interfaces:

java.lang.Iterable<K>, java.util.Collection<K>, java.util.NavigableSet<K>, java.util.Set<K>, java.util.SortedSet<K>

Enclosing class:

ForwardingNavigableMap<K extends @Nullable java.lang.Object,V extends @Nullable java.lang.Object>
```
protected class ForwardingNavigableMap.StandardNavigableKeySet
extends java.util.AbstractSet<E>
```
A sensible implementation of NavigableMap.navigableKeySet() in terms of the methods of this NavigableMap. In many cases, you may wish to override ForwardingNavigableMap.navigableKeySet() to forward to this implementation or a subclass thereof.

Since:

12.0

Constructor Summary

Constructors
Constructor Description

StandardNavigableKeySet()
Constructor for use by subclasses.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`@Nullable K`	`ceiling(K e)`
`void`	`clear()`
`@Nullable java.util.Comparator<? super K>`	`comparator()`
`boolean`	`contains(@Nullable java.lang.Object o)`
`java.util.Iterator<K>`	`descendingIterator()`
`java.util.NavigableSet<K>`	`descendingSet()`
`K`	`first()`
`@Nullable K`	`floor(K e)`
`void`	`forEach(java.util.function.Consumer<? super K> action)`
`java.util.SortedSet<K>`	`headSet(K toElement)`
`java.util.NavigableSet<K>`	`headSet(K toElement, boolean inclusive)`
`@Nullable K`	`higher(K e)`
`boolean`	`isEmpty()`
`java.util.Iterator<K>`	`iterator()`
`K`	`last()`
`@Nullable K`	`lower(K e)`
`@Nullable K`	`pollFirst()`
`@Nullable K`	`pollLast()`
`boolean`	`remove(@Nullable java.lang.Object o)`
`boolean`	`removeAll(java.util.Collection<?> c)`
`boolean`	`retainAll(java.util.Collection<?> c)`
`int`	`size()`
`java.util.NavigableSet<K>`	`subSet(K fromElement, boolean fromInclusive, K toElement, boolean toInclusive)`
`java.util.SortedSet<K>`	`subSet(K fromElement, K toElement)`
`java.util.SortedSet<K>`	`tailSet(K fromElement)`
`java.util.NavigableSet<K>`	`tailSet(K fromElement, boolean inclusive)`

Methods inherited from class java.util.AbstractSet
equals, hashCode

Methods inherited from class java.util.AbstractCollection
add, addAll, containsAll, toArray, toArray, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface java.util.NavigableSet
iterator

Methods inherited from interface java.util.Set
add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, remove, removeAll, retainAll, size, toArray, toArray

Methods inherited from interface java.util.SortedSet
comparator, first, last, spliterator

- Constructor Detail
  - StandardNavigableKeySet
```
public StandardNavigableKeySet()
```
    Constructor for use by subclasses.
- Method Detail
  - lower
```
public @Nullable K lower(K e)
```
    Specified by:
    
    lower in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - floor
```
public @Nullable K floor(K e)
```
    Specified by:
    
    floor in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - ceiling
```
public @Nullable K ceiling(K e)
```
    Specified by:
    
    ceiling in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - higher
```
public @Nullable K higher(K e)
```
    Specified by:
    
    higher in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - pollFirst
```
public @Nullable K pollFirst()
```
    Specified by:
    
    pollFirst in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - pollLast
```
public @Nullable K pollLast()
```
    Specified by:
    
    pollLast in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - descendingSet
```
public java.util.NavigableSet<K> descendingSet()
```
    Specified by:
    
    descendingSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - descendingIterator
```
public java.util.Iterator<K> descendingIterator()
```
    Specified by:
    
    descendingIterator in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - subSet
```
public java.util.NavigableSet<K> subSet(K fromElement,
                                        boolean fromInclusive,
                                        K toElement,
                                        boolean toInclusive)
```
    Specified by:
    
    subSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - subSet
```
public java.util.SortedSet<K> subSet(K fromElement,
                                     K toElement)
```
    Specified by:
    
    subSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    subSet in interface java.util.SortedSet<K extends @Nullable java.lang.Object>
  - headSet
```
public java.util.NavigableSet<K> headSet(K toElement,
                                         boolean inclusive)
```
    Specified by:
    
    headSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - headSet
```
public java.util.SortedSet<K> headSet(K toElement)
```
    Specified by:
    
    headSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    headSet in interface java.util.SortedSet<K extends @Nullable java.lang.Object>
  - tailSet
```
public java.util.NavigableSet<K> tailSet(K fromElement,
                                         boolean inclusive)
```
    Specified by:
    
    tailSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
  - tailSet
```
public java.util.SortedSet<K> tailSet(K fromElement)
```
    Specified by:
    
    tailSet in interface java.util.NavigableSet<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    tailSet in interface java.util.SortedSet<K extends @Nullable java.lang.Object>
  - comparator
```
public @Nullable java.util.Comparator<? super K> comparator()
```
    Specified by:
    
    comparator in interface java.util.SortedSet<K extends @Nullable java.lang.Object>
  - first
```
public K first()
```
    Specified by:
    
    first in interface java.util.SortedSet<K extends @Nullable java.lang.Object>
  - last
```
public K last()
```
    Specified by:
    
    last in interface java.util.SortedSet<K extends @Nullable java.lang.Object>
  - iterator
```
public java.util.Iterator<K> iterator()
```
    Specified by:
    
    iterator in interface java.util.Collection<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    iterator in interface java.lang.Iterable<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    iterator in interface java.util.Set<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    iterator in class java.util.AbstractCollection<K extends @Nullable java.lang.Object>
  - forEach
```
public void forEach(java.util.function.Consumer<? super K> action)
```
  - size
```
public int size()
```
    Specified by:
    
    size in interface java.util.Collection<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    size in interface java.util.Set<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    size in class java.util.AbstractCollection<K extends @Nullable java.lang.Object>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface java.util.Collection<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    isEmpty in interface java.util.Set<K extends @Nullable java.lang.Object>
    
    Overrides:
    
    isEmpty in class java.util.AbstractCollection<K extends @Nullable java.lang.Object>
  - contains
```
public boolean contains(@Nullable java.lang.Object o)
```
    Specified by:
    
    contains in interface java.util.Collection<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    contains in interface java.util.Set<K extends @Nullable java.lang.Object>
    
    Overrides:
    
    contains in class java.util.AbstractCollection<K extends @Nullable java.lang.Object>
  - remove
```
public boolean remove(@Nullable java.lang.Object o)
```
    Specified by:
    
    remove in interface java.util.Collection<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    remove in interface java.util.Set<K extends @Nullable java.lang.Object>
    
    Overrides:
    
    remove in class java.util.AbstractCollection<K extends @Nullable java.lang.Object>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface java.util.Collection<K extends @Nullable java.lang.Object>
    
    Specified by:
    
    clear in interface java.util.Set<K extends @Nullable java.lang.Object>
    
    Overrides:
    
    clear in class java.util.AbstractCollection<K extends @Nullable java.lang.Object>
  - removeAll
```
public boolean removeAll(java.util.Collection<?> c)
```
    Specified by:
    
    removeAll in interface java.util.Collection<E extends @Nullable java.lang.Object>
    
    Specified by:
    
    removeAll in interface java.util.Set<E extends @Nullable java.lang.Object>
    
    Overrides:
    
    removeAll in class java.util.AbstractSet<E extends @Nullable java.lang.Object>
  - retainAll
```
public boolean retainAll(java.util.Collection<?> c)
```
    Specified by:
    
    retainAll in interface java.util.Collection<E extends @Nullable java.lang.Object>
    
    Specified by:
    
    retainAll in interface java.util.Set<E extends @Nullable java.lang.Object>
    
    Overrides:
    
    retainAll in class java.util.AbstractCollection<E extends @Nullable java.lang.Object>

Class ForwardingNavigableMap.StandardNavigableKeySet

Constructor Summary

Method Summary

Methods inherited from class java.util.AbstractSet

Methods inherited from class java.util.AbstractCollection

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Methods inherited from interface java.util.NavigableSet

Methods inherited from interface java.util.Set

Methods inherited from interface java.util.SortedSet

Constructor Detail

StandardNavigableKeySet

Method Detail

lower

floor

ceiling

higher

pollFirst

pollLast

descendingSet

descendingIterator

subSet

subSet

headSet

headSet

tailSet

tailSet

comparator

first

last

iterator

forEach

size

isEmpty

contains

remove

clear

removeAll

retainAll