commons-collections4-4.2-sources.jar is the source JAR file for Apache Commons Collections 4.2, which provides additional collection handling functionalities on top of JDK library.

JAR File Size and Download Location:

JAR name: commons-collections4-4.2-sources.jar
Target JDK version: 1.7
Dependency: None
File size: 708,599 bytes
Release date: 08-Jul-2018
Download: Apache Commons Collections

⏎ org/apache/commons/collections4/iterators/EmptyMapIterator.java

/*
 * 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
 *
 * 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.
 */
package org.apache.commons.collections4.iterators;

import org.apache.commons.collections4.MapIterator;
import org.apache.commons.collections4.ResettableIterator;

/**
 * Provides an implementation of an empty map iterator.
 *
 * @since 3.1
 */
public class EmptyMapIterator<K, V> extends AbstractEmptyMapIterator<K, V> implements
        MapIterator<K, V>, ResettableIterator<K> {

    /**
     * Singleton instance of the iterator.
     * @since 3.1
     */
    @SuppressWarnings("rawtypes")
    public static final MapIterator INSTANCE = new EmptyMapIterator<>();

    /**
     * Get a typed instance of the iterator.
     * @param <K> the key type
     * @param <V> the value type
     * @return {@link MapIterator}&lt;K, V&gt;
     */
    @SuppressWarnings("unchecked")
    public static <K, V> MapIterator<K, V> emptyMapIterator() {
        return INSTANCE;
    }

    /**
     * Constructor.
     */
    protected EmptyMapIterator() {
        super();
    }

}

⏎ org/apache/commons/collections4/iterators/EmptyMapIterator.java

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File name: commons-collections4-4.2-sources.jar
File size: 708599 bytes
Release date: 2018-07-08
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