/*
* Copyright (C) 2007 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* This package contains generic collection interfaces and implementations, and
* other utilities for working with collections. It is a part of the open-source
* <a href="http://guava-libraries.googlecode.com">Guava libraries</a>.
*
* <h2>Collection Types</h2>
*
* <dl>
* <dt>{@link com.google.common.collect.BiMap}
* <dd>An extension of {@link java.util.Map} that guarantees the uniqueness of
* its values as well as that of its keys. This is sometimes called an
* "invertible map," since the restriction on values enables it to support
* an {@linkplain com.google.common.collect.BiMap#inverse inverse view} --
* which is another instance of {@code BiMap}.
*
* <dt>{@link com.google.common.collect.Multiset}
* <dd>An extension of {@link java.util.Collection} that may contain duplicate
* values like a {@link java.util.List}, yet has order-independent equality
* like a {@link java.util.Set}. One typical use for a multiset is to
* represent a histogram.
*
* <dt>{@link com.google.common.collect.Multimap}
* <dd>A new type, which is similar to {@link java.util.Map}, but may contain
* multiple entries with the same key. Some behaviors of
* {@link com.google.common.collect.Multimap} are left unspecified and are
* provided only by the subtypes mentioned below.
*
* <dt>{@link com.google.common.collect.ListMultimap}
* <dd>An extension of {@link com.google.common.collect.Multimap} which permits
* duplicate entries, supports random access of values for a particular key,
* and has <i>partially order-dependent equality</i> as defined by
* {@link com.google.common.collect.ListMultimap#equals(Object)}. {@code
* ListMultimap} takes its name from the fact that the {@linkplain
* com.google.common.collect.ListMultimap#get collection of values}
* associated with a given key fulfills the {@link java.util.List} contract.
*
* <dt>{@link com.google.common.collect.SetMultimap}
* <dd>An extension of {@link com.google.common.collect.Multimap} which has
* order-independent equality and does not allow duplicate entries; that is,
* while a key may appear twice in a {@code SetMultimap}, each must map to a
* different value. {@code SetMultimap} takes its name from the fact that
* the {@linkplain com.google.common.collect.SetMultimap#get collection of
* values} associated with a given key fulfills the {@link java.util.Set}
* contract.
*
* <dt>{@link com.google.common.collect.SortedSetMultimap}
* <dd>An extension of {@link com.google.common.collect.SetMultimap} for which
* the {@linkplain com.google.common.collect.SortedSetMultimap#get
* collection values} associated with a given key is a
* {@link java.util.SortedSet}.
*
* <dt>{@link com.google.common.collect.Table}
* <dd>A new type, which is similar to {@link java.util.Map}, but which indexes
* its values by an ordered pair of keys, a row key and column key.
*
* <dt>{@link com.google.common.collect.ClassToInstanceMap}
* <dd>An extension of {@link java.util.Map} that associates a raw type with an
* instance of that type.
* </dl>
*
* <h2>Collection Implementations</h2>
*
* <h3>of {@link java.util.List}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableList}
* </ul>
*
* <h3>of {@link java.util.Set}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableSet}
* <li>{@link com.google.common.collect.ImmutableSortedSet}
* </ul>
*
* <h3>of {@link java.util.Map}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableMap}
* <li>{@link com.google.common.collect.ImmutableSortedMap}
* <li>{@link com.google.common.collect.MapMaker}
* </ul>
*
* <h3>of {@link com.google.common.collect.BiMap}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableBiMap}
* <li>{@link com.google.common.collect.HashBiMap}
* <li>{@link com.google.common.collect.EnumBiMap}
* <li>{@link com.google.common.collect.EnumHashBiMap}
* </ul>
*
* <h3>of {@link com.google.common.collect.Multiset}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableMultiset}
* <li>{@link com.google.common.collect.HashMultiset}
* <li>{@link com.google.common.collect.LinkedHashMultiset}
* <li>{@link com.google.common.collect.TreeMultiset}
* <li>{@link com.google.common.collect.EnumMultiset}
* <li>{@link com.google.common.collect.ConcurrentHashMultiset}
* </ul>
*
* <h3>of {@link com.google.common.collect.Multimap}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableMultimap}
* <li>{@link com.google.common.collect.ImmutableListMultimap}
* <li>{@link com.google.common.collect.ImmutableSetMultimap}
* <li>{@link com.google.common.collect.ArrayListMultimap}
* <li>{@link com.google.common.collect.HashMultimap}
* <li>{@link com.google.common.collect.TreeMultimap}
* <li>{@link com.google.common.collect.LinkedHashMultimap}
* <li>{@link com.google.common.collect.LinkedListMultimap}
* </ul>
*
* <h3>of {@link com.google.common.collect.Table}</h3>
* <ul>
* <li>{@link com.google.common.collect.HashBasedTable}
* <li>{@link com.google.common.collect.TreeBasedTable}
* </ul>
*
* <h3>of {@link com.google.common.collect.ClassToInstanceMap}</h3>
* <ul>
* <li>{@link com.google.common.collect.ImmutableClassToInstanceMap}
* <li>{@link com.google.common.collect.MutableClassToInstanceMap}
* </ul>
*
* <h2>Classes of static utility methods</h2>
*
* <ul>
* <li>{@link com.google.common.collect.Collections2}
* <li>{@link com.google.common.collect.Iterators}
* <li>{@link com.google.common.collect.Iterables}
* <li>{@link com.google.common.collect.Lists}
* <li>{@link com.google.common.collect.Maps}
* <li>{@link com.google.common.collect.Sets}
* <li>{@link com.google.common.collect.Multisets}
* <li>{@link com.google.common.collect.Multimaps}
* <li>{@link com.google.common.collect.SortedMaps}
* <li>{@link com.google.common.collect.Tables}
* <li>{@link com.google.common.collect.ObjectArrays}
* </ul>
*
* <h2>Comparison</h2>
*
* <ul>
* <li>{@link com.google.common.collect.Ordering}
* <li>{@link com.google.common.collect.ComparisonChain}
* </ul>
*
* <h2>Abstract implementations</h2>
*
* <ul>
* <li>{@link com.google.common.collect.AbstractIterator}
* <li>{@link com.google.common.collect.AbstractLinkedIterator}
* <li>{@link com.google.common.collect.ImmutableCollection}
* <li>{@link com.google.common.collect.UnmodifiableIterator}
* <li>{@link com.google.common.collect.UnmodifiableListIterator}
* </ul>
*
*
* <h2>Other</h2>
*
* <ul>
* <li>{@link com.google.common.collect.Interner},
* {@link com.google.common.collect.Interners}
* <li>{@link com.google.common.collect.Constraint},
* {@link com.google.common.collect.Constraints}
* <li>{@link com.google.common.collect.MapConstraint},
* {@link com.google.common.collect.MapConstraints}
* <li>{@link com.google.common.collect.MapDifference},
* {@link com.google.common.collect.SortedMapDifference}
* <li>{@link com.google.common.collect.MinMaxPriorityQueue}
* <li>{@link com.google.common.collect.PeekingIterator}
* </ul>
*
* <h2>Forwarding collections</h2>
*
* <ul>
* <li>{@link com.google.common.collect.ForwardingCollection}
* <li>{@link com.google.common.collect.ForwardingConcurrentMap}
* <li>{@link com.google.common.collect.ForwardingIterator}
* <li>{@link com.google.common.collect.ForwardingList}
* <li>{@link com.google.common.collect.ForwardingListIterator}
* <li>{@link com.google.common.collect.ForwardingListMultimap}
* <li>{@link com.google.common.collect.ForwardingMap}
* <li>{@link com.google.common.collect.ForwardingMapEntry}
* <li>{@link com.google.common.collect.ForwardingMultimap}
* <li>{@link com.google.common.collect.ForwardingMultiset}
* <li>{@link com.google.common.collect.ForwardingObject}
* <li>{@link com.google.common.collect.ForwardingQueue}
* <li>{@link com.google.common.collect.ForwardingSet}
* <li>{@link com.google.common.collect.ForwardingSetMultimap}
* <li>{@link com.google.common.collect.ForwardingSortedMap}
* <li>{@link com.google.common.collect.ForwardingSortedSet}
* <li>{@link com.google.common.collect.ForwardingSortedSetMultimap}
* <li>{@link com.google.common.collect.ForwardingTable}
* </ul>
*/
@javax.annotation.ParametersAreNonnullByDefault
package com.google.common.collect;
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