Java Collection First first(Collection collection)

Description

first

License

Apache License

Declaration

final static public Object first(Collection collection) 

Method Source Code

//package com.java2s;
/**//  www . ja  v a 2s. c om
 * 
 * Copyright 2008 - 2009
 * 
 * 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.
 * 
 * @project loonframework
 * @author chenpeng
 * @email?ceponline@yahoo.com.cn
 * @version 0.1.1
 */

import java.util.Collection;

public class Main {

    final static public Object first(Collection collection) {
        Object[] obj = collection.toArray();
        if (obj.length > 0) {
            return obj[0];
        } else {
            return null;
        }
    }
}

Related

1. first(Collection collection)
2. first(Collection items)
3. first(Collection collection, E alternative)
4. first(Collection collection)