Java Collection Reverse reverse(Collection c)

Description

reverse

License

Apache License

Declaration

@SuppressWarnings("unchecked")
    static <E> Collection<E> reverse(Collection<? extends E> c) 

Method Source Code

//package com.java2s;
/*//from   ww  w  .j a v  a  2s.  c o  m
 * Copyright 2011-2013 the original author or 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.
 */

import java.util.Arrays;
import java.util.Collection;
import java.util.List;

public class Main {
    @SuppressWarnings("unchecked")
    static <E> Collection<E> reverse(Collection<? extends E> c) {
        Object[] reverse = new Object[c.size()];
        int index = c.size();
        for (E e : c) {
            reverse[--index] = e;
        }

        return (List<E>) Arrays.asList(reverse);
    }
}

Related

1. reverse(Collection collection)
2. reverse(Collection input)
3. reverseMap(Map> input)
4. reverseOrder(Collection objects)