NativeObject.KeySet

java.lang.Object
- java.util.AbstractCollection<E>
- - java.util.AbstractSet<java.lang.Object>
  - - org.htmlunit.corejs.javascript.NativeObject.KeySet

All Implemented Interfaces:

java.lang.Iterable<java.lang.Object>, java.util.Collection<java.lang.Object>, java.util.Set<java.lang.Object>

Enclosing class:

NativeObject
```
class NativeObject.KeySet
extends java.util.AbstractSet<java.lang.Object>
```

Constructor Summary

Constructors
Constructor Description

KeySet()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`contains(java.lang.Object key)`
`java.util.Iterator<java.lang.Object>`	`iterator()`
`int`	`size()`

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

Methods inherited from class java.util.AbstractCollection
add, addAll, clear, containsAll, isEmpty, remove, retainAll, 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.Set
add, addAll, clear, containsAll, isEmpty, remove, retainAll, spliterator, toArray, toArray

- Constructor Detail
  - KeySet
```
KeySet()
```
- Method Detail
  - contains
```
public boolean contains(java.lang.Object key)
```
    Specified by:
    
    contains in interface java.util.Collection<java.lang.Object>
    
    Specified by:
    
    contains in interface java.util.Set<java.lang.Object>
    
    Overrides:
    
    contains in class java.util.AbstractCollection<java.lang.Object>
  - iterator
```
public java.util.Iterator<java.lang.Object> iterator()
```
    Specified by:
    
    iterator in interface java.util.Collection<java.lang.Object>
    
    Specified by:
    
    iterator in interface java.lang.Iterable<java.lang.Object>
    
    Specified by:
    
    iterator in interface java.util.Set<java.lang.Object>
    
    Specified by:
    
    iterator in class java.util.AbstractCollection<java.lang.Object>
  - size
```
public int size()
```
    Specified by:
    
    size in interface java.util.Collection<java.lang.Object>
    
    Specified by:
    
    size in interface java.util.Set<java.lang.Object>
    
    Specified by:
    
    size in class java.util.AbstractCollection<java.lang.Object>