Java Array Empty Check removeEmpty(String[] strings)

Description

Removes nulls and empty strings from the given string array.

License

Apache License

Parameter

Parameter	Description
strings	an array of strings

Return

a new array containing the non-null and non-empty elements of the original array in the same order

Declaration

public static String[] removeEmpty(String[] strings) 

Method Source Code

//package com.java2s;
/**/*from www .ja  v a 2s . co  m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.Arrays;

public class Main {
    /**
     * Removes nulls and empty strings from the given string array.
     *
     * @param strings an array of strings
     * @return a new array containing the non-null and non-empty
     *         elements of the original array in the same order
     */
    public static String[] removeEmpty(String[] strings) {
        String[] result = new String[strings.length];
        int copied = 0;
        for (String s : strings) {
            if (s != null && !s.isEmpty()) {
                result[copied++] = s;
            }
        }
        return copied == result.length ? result : Arrays.copyOf(result, copied);
    }
}

Related

1. isNullOrEmpty(String[] s)
2. isNullOrEmpty(T[] array)
3. isNullOrEmptyOrFirstElementBlank(String[] values)
4. normalizeTokens(String[] tokens, boolean removeEmpty)
5. nullOrEmpty(Object[] array)
6. removeEmptyElements(String[] firstArray)
7. removeEmptyEntries(String[] array)
8. removeEmptyLines(String lines[])
9. removeEmptyString(final String[] words)