Java Collection to Array collectionToObjectArray(Collection c)

Description

Convenience method for converting a collection to an Object[]

License

Apache License

Parameter

Parameter	Description
c	The collection

Return

An object array

Declaration

public static Object[] collectionToObjectArray(Collection c) 

Method Source Code

//package com.java2s;
/* //  w w  w  . ja  va2s.  com
 * Copyright 2004-2011 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.*;

public class Main {
    /**
     * Convenience method for converting a collection to an Object[]
     * @param c The collection
     * @return  An object array
     */
    public static Object[] collectionToObjectArray(Collection c) {
        if (c == null)
            return new Object[0];

        return c.toArray(new Object[c.size()]);
    }
}

Related

1. asLongArray(final Collection ls)
2. asLongArray(java.util.Collection c)
3. collectionToArray(Collection collection)
4. collectionToIntArray(Collection c)
5. collectionToIntArray(final Collection numbers)
6. collectionToObjectArray(final Collection _list)
7. convertToArray(Collection collection)
8. convertToArray(Collection input)
9. convertToArray(Collection items)