Java List Value Add add(List aList, T anObject)

Description

If @List is Empty inizialize it to a new @ArrayList

License

Open Source License

Parameter

Parameter	Description
aList	a List where add the object (can be empty)
anObject	an object to add to to the list

Declaration

public static <T> void add(List<T> aList, T anObject) 

Method Source Code

//package com.java2s;
/*//from  ww w . j  a  v a 2 s  .  com
Copyright (c) 2012,2013 Mirco Attocchi
       
This file is part of WebAppCommon.
    
WebAppCommon is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
WebAppCommon is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public License
along with WebAppCommon.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.ArrayList;

import java.util.List;

public class Main {
    /**
     * If @List is Empty inizialize it to a new @ArrayList
     * 
     * @param aList
     *            a List where add the object (can be empty)
     * @param anObject
     *            an object to add to to the list
     */
    public static <T> void add(List<T> aList, T anObject) {
        if (aList == null) {
            aList = new ArrayList<T>();
        }
        aList.add(anObject);
    }
}

Related

1. add(List data, Object... values)
2. add(List> target, E value)
3. add(List a, List b)
4. add(List list, String value)
5. add(List aList, T anObj)
6. add(List current, T toAdd)
7. add(List list, int i, T v)
8. add(List list, T element)
9. add(Map> multiValueMap, String key, Object value)