Java List Null Empty isNullOrEmpty(List l)

Description

is Null Or Empty

License

Apache License

Declaration

public static boolean isNullOrEmpty(List<?> l) 

Method Source Code

//package com.java2s;
/**//  ww  w. ja  v a  2  s . c  om
 * Copyright ? 2013 - 2017 WaveMaker, Inc.
 *
 * 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;

public class Main {
    public static boolean isNullOrEmpty(String s) {
        if (s == null) {
            return true;
        }

        if (s.trim().length() == 0) {
            return true;
        }

        return false;
    }

    public static boolean isNullOrEmpty(Object[] o) {
        if (o == null) {
            return true;
        }

        if (o.length == 0) {
            return true;
        }

        return false;
    }

    public static boolean isNullOrEmpty(List<?> l) {
        if (l == null) {
            return true;
        }

        if (l.isEmpty()) {
            return true;
        }

        return false;
    }
}

Related

1. isNull(List list)
2. isNullish(java.util.List value)
3. isNullList(List l)
4. isNullOrEmpty(List list)
5. isNullOrEmpty(List list)
6. isNullOrEmptyAwareEqual(final List targetOne, final List targetTwo)
7. isNullOrEmptyList(final List list)
8. isNullOrEmptyList(List list)
9. isNullOrEmptyList(String message, List list)