Set (GWT 2.7.0)

Type Parameters:

E - element type.

All Superinterfaces:

Collection<E>, Iterable<E>

All Known Subinterfaces:

NavigableSet<E>, SortedSet<E>

All Known Implementing Classes:

AbstractSet, ArtifactSet, EnumSet, HashSet, HashSet, IdentityHashSet, LinkedHashSet, TreeSet
```
public interface Set<E>
extends Collection<E>
```
Represents a set of unique objects. [Sun docs]

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`boolean`	`add(E o)`
`boolean`	`addAll(Collection<? extends E> c)`
`void`	`clear()`
`boolean`	`contains(Object o)`
`boolean`	`containsAll(Collection<?> c)`
`boolean`	`equals(Object o)`
`int`	`hashCode()`
`boolean`	`isEmpty()`
`Iterator<E>`	`iterator()`
`boolean`	`remove(Object o)`
`boolean`	`removeAll(Collection<?> c)`
`boolean`	`retainAll(Collection<?> c)`
`int`	`size()`
`Object[]`	`toArray()`
`<T> T[]`	`toArray(T[] a)`

- Method Detail
  - add
```
boolean add(E o)
```
    Specified by:
    
    add in interface Collection<E>
  - addAll
```
boolean addAll(Collection<? extends E> c)
```
    Specified by:
    
    addAll in interface Collection<E>
  - clear
```
void clear()
```
    Specified by:
    
    clear in interface Collection<E>
  - contains
```
boolean contains(Object o)
```
    Specified by:
    
    contains in interface Collection<E>
  - containsAll
```
boolean containsAll(Collection<?> c)
```
    Specified by:
    
    containsAll in interface Collection<E>
  - equals
```
boolean equals(Object o)
```
    Specified by:
    
    equals in interface Collection<E>
    
    Overrides:
    
    equals in class Object
  - hashCode
```
int hashCode()
```
    Specified by:
    
    hashCode in interface Collection<E>
    
    Overrides:
    
    hashCode in class Object
  - isEmpty
```
boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Collection<E>
  - iterator
```
Iterator<E> iterator()
```
    Specified by:
    
    iterator in interface Collection<E>
    
    Specified by:
    
    iterator in interface Iterable<E>
  - remove
```
boolean remove(Object o)
```
    Specified by:
    
    remove in interface Collection<E>
  - removeAll
```
boolean removeAll(Collection<?> c)
```
    Specified by:
    
    removeAll in interface Collection<E>
  - retainAll
```
boolean retainAll(Collection<?> c)
```
    Specified by:
    
    retainAll in interface Collection<E>
  - size
```
int size()
```
    Specified by:
    
    size in interface Collection<E>
  - toArray
```
Object[] toArray()
```
    Specified by:
    
    toArray in interface Collection<E>
  - toArray
```
<T> T[] toArray(T[] a)
```
    Specified by:
    
    toArray in interface Collection<E>

Interface Set<E>

Method Summary

Method Detail

add

addAll

clear

contains

containsAll

equals

hashCode

isEmpty

iterator

remove

removeAll

retainAll

size

toArray

toArray