Java Collection Add addNewLines(Collection strings)

Description

add New Lines

License

Apache License

Declaration

private static Collection<String> addNewLines(Collection<String> strings) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w.  ja v a2s  . c  om*/
 * Copyright 2011-present Greg Shrago
 *
 * 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.*;

public class Main {
    private static Collection<String> addNewLines(Collection<String> strings) {
        if (strings.size() < 5)
            return strings;
        List<String> result = new ArrayList<>();
        int counter = 0;
        for (String string : strings) {
            if (counter > 0 && counter % 4 == 0) {
                result.add("\n" + string);
            } else {
                result.add(string);
            }
            counter++;
        }
        return result;
    }
}

Related

1. addIgnoreNull(Collection collection, T object)
2. addIgnoreNull(final Collection collection, final T object)
3. addInClauseToQuery(StringBuilder query, Collection