/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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This package contains implementations of the Collection interface.

The following implementations are provided in the package:

  • CompositeCollection - a collection that combines multiple collections into one
The following decorators are provided in the package:
  • Synchronized - synchronizes method access for multi-threaded environments
  • Unmodifiable - ensures the collection cannot be altered
  • Predicated - ensures that only elements that are valid according to a predicate can be added
  • Transformed - transforms elements as they are added
  • Indexed - provides a map-like view onto another collection
/** * This package contains implementations of the * {@link java.util.Collection Collection} interface. * <p> * The following implementations are provided in the package: * <ul> * <li>CompositeCollection - a collection that combines multiple collections into one * </ul> * The following decorators are provided in the package: * <ul> * <li>Synchronized - synchronizes method access for multi-threaded environments * <li>Unmodifiable - ensures the collection cannot be altered * <li>Predicated - ensures that only elements that are valid according to a predicate can be added * <li>Transformed - transforms elements as they are added * <li>Indexed - provides a map-like view onto another collection * </ul> * */
package org.apache.commons.collections4.collection;