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java.lang.Objectcom.google.common.collect.ImmutableCollection.Builder<E>
com.google.common.collect.ImmutableSet.Builder<E>
public static class ImmutableSet.Builder<E>
A builder for creating immutable set instances, especially public
static final sets ("constant sets"). Example:
public static final ImmutableSet<Color> GOOGLE_COLORS =
new ImmutableSet.Builder<Color>()
.addAll(WEBSAFE_COLORS)
.add(new Color(0, 191, 255))
.build();
Builder instances can be reused; it is safe to call build() multiple
times to build multiple sets in series. Each set is a superset of the set
created before it.
| Constructor Summary | |
|---|---|
ImmutableSet.Builder()
Creates a new builder. |
|
| Method Summary | |
|---|---|
ImmutableSet.Builder<E> |
add(E... elements)
Adds each element of elements to the ImmutableSet,
ignoring duplicate elements (only the first duplicate element is added). |
ImmutableSet.Builder<E> |
add(E element)
Adds element to the ImmutableSet. |
ImmutableSet.Builder<E> |
addAll(Iterable<? extends E> elements)
Adds each element of elements to the ImmutableSet,
ignoring duplicate elements (only the first duplicate element is added). |
ImmutableSet.Builder<E> |
addAll(Iterator<? extends E> elements)
Adds each element of elements to the ImmutableSet,
ignoring duplicate elements (only the first duplicate element is added). |
ImmutableSet<E> |
build()
Returns a newly-created ImmutableSet based on the contents of
the Builder. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ImmutableSet.Builder()
ImmutableSet.builder().
| Method Detail |
|---|
public ImmutableSet.Builder<E> add(E element)
element to the ImmutableSet. If the ImmutableSet already contains element, then add has no
effect (only the previously added element is retained).
add in class ImmutableCollection.Builder<E>element - the element to add
Builder object
NullPointerException - if element is nullpublic ImmutableSet.Builder<E> add(E... elements)
elements to the ImmutableSet,
ignoring duplicate elements (only the first duplicate element is added).
add in class ImmutableCollection.Builder<E>elements - the elements to add
Builder object
NullPointerException - if elements is null or contains a
null elementpublic ImmutableSet.Builder<E> addAll(Iterable<? extends E> elements)
elements to the ImmutableSet,
ignoring duplicate elements (only the first duplicate element is added).
addAll in class ImmutableCollection.Builder<E>elements - the Iterable to add to the ImmutableSet
Builder object
NullPointerException - if elements is null or contains a
null elementpublic ImmutableSet.Builder<E> addAll(Iterator<? extends E> elements)
elements to the ImmutableSet,
ignoring duplicate elements (only the first duplicate element is added).
addAll in class ImmutableCollection.Builder<E>elements - the elements to add to the ImmutableSet
Builder object
NullPointerException - if elements is null or contains a
null elementpublic ImmutableSet<E> build()
ImmutableSet based on the contents of
the Builder.
build in class ImmutableCollection.Builder<E>
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