Java Array Null Element isNullArray(String[] array)

Description

is Null Array

License

Apache License

Declaration

public static boolean isNullArray(String[] array) 

Method Source Code

//package com.java2s;
/*//w w  w .  j  a va2s .  com
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * 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.List;
import java.util.Map;

public class Main {

    public static boolean isNullArray(String[] array) {
        return (array == null || array.length == 0 || (array.length == 1 && "".equals(array[0])));
    }

    public static boolean isNullArray(int[] array) {
        return (array == null || array.length == 0);
    }

    public static boolean isNullArray(List list) {
        return (list == null) || (list.size() == 0);
    }

    public static boolean isNullArray(Map map) {
        return (map == null || (map.isEmpty()));
    }
}

Related

1. isNull(final Object[] array)
2. isNull(Object[] objects)
3. isNull(T array[])