Java List Null Empty isEmpty(List aList)

Description

Verifica se una lista e' nulla o vuota

License

Open Source License

Parameter

Parameter	Description
aList	a parameter

Declaration

public static <T> boolean isEmpty(List<T> aList) 

Method Source Code

//package com.java2s;
/*//from www.j a va 2  s  . c o  m
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.Collection;

import java.util.List;

public class Main {
    /**
     * Verifica se una lista e' nulla o vuota
     * 
     * @param aList
     * @return
     */
    public static <T> boolean isEmpty(List<T> aList) {
        // boolean res = true;
        //
        // if (aList != null && aList.size() > 0) {
        // res = false;
        // }
        //
        // return res;
        return !isNotEmpty(aList);
    }

    /**
     * Verifica se una lista non e' nulla e vuota
     * 
     * @param aList
     * @return
     */
    public static <T> boolean isNotEmpty(Collection<T> aList) {
        return aList != null && aList.size() > 0;
        // return !isEmpty(aList);
    }
}

Related

1. isEmpty(List aList)
2. isEmpty(List collection)
3. isEmpty(List list, String message)
4. isEmpty(List obj)
5. isEmpty(List list)
6. isEmpty(List list)
7. isEmpty(List objList)
8. isEmpty(List sourceList)
9. isEmptyList(List inputList)