Java Collection Element Get getAnyFrom(Collection collection)

Description

Gets one element from the provided Collection.

License

Open Source License

Parameter

Parameter	Description
T	Collection type
collection	to use

Exception

Parameter	Description
NoSuchElementException	if no elements are present in theCollection

Return

one element from the provided Collection

Declaration

public static <T> T getAnyFrom(Collection<T> collection) 

Method Source Code

//package com.java2s;
/**/*from www .  j  a  va2  s .  com*/
 *
 * Copyright (c) 2006-2015, Speedment, Inc. All Rights Reserved.
 *
 * 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.
 */

import java.util.Collection;
import java.util.Iterator;
import java.util.NoSuchElementException;

public class Main {
    /**
     * Gets one element from the provided Collection. If no element is present,
     * an Exception is thrown. No guarantee is made as to which element is
     * returned from time to time.
     *
     * @param <T> Collection type
     * @param collection to use
     * @return one element from the provided Collection
     * @throws NoSuchElementException if no elements are present in the
     * Collection
     */
    public static <T> T getAnyFrom(Collection<T> collection) {
        final Iterator<T> iterator = collection.iterator();
        if (iterator.hasNext()) {
            return iterator.next();
        }
        throw new NoSuchElementException("No value present");
    }
}

Related

1. getAllDoubleValues( Map>> doubleCollectionWithValuesToFetch)
2. getAllTopicsAsString(final Collection topics)
3. getAncestors(Collection> classes)
4. getAnElement(Collection coll)
5. getAny(final Collection collection)
6. getArbitraryMember(Collection s)
7. getArray(Collection dnaCol)
8. getArrayFromCollection( Collection collection)
9. GetArrayFromCollection(java.util.Collection col)