Java Iterator safeAdvance(Iterator iterator)

Description

safe Advance

License

Apache License

Declaration

private static <T> T safeAdvance(Iterator<T> iterator) 

Method Source Code

//package com.java2s;
/*// w  ww  .  j  av  a2 s .c  o  m
 * Copyright 2010-2013 JetBrains s.r.o.
 *
 * 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.*;

public class Main {
    private static <T> T safeAdvance(Iterator<T> iterator) {
        return iterator.hasNext() ? iterator.next() : null;
    }
}

Related

1. removeAll(Collection collection, Iterator itemsToRemove)
2. removeObject(Object item, Iterator iter, boolean justFirst)
3. removeOnNext(final Iterator iterator)
4. removeValue(List args, int idx, Iterator it)
5. retrieveFirstAndExhaustIterator(Iterator iterator)
6. searchIndexInIterator(Iterator iterator, T value)
7. shallowUnionColIter(Iterator> values)
8. single(Iterator i)
9. singleElementIterator(T element)