Java List Join listToStr(List list, String joinChar)

Description

list To Str

License

Apache License

Declaration

public static String listToStr(List<String> list, String joinChar) 

Method Source Code

//package com.java2s;
/**/*from  w ww  .j a va2 s  . c o  m*/
 * Copyright 1996-2013 Founder International Co.,Ltd.
 *
 * 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.
 * 
 * @author kenshin
 */

import java.util.Collection;
import java.util.List;

public class Main {

    public static String listToStr(List<String> list, String joinChar) {
        if (isEmpty(list) || joinChar == null) {
            return "";
        }

        String listStr = "";

        for (String item : list) {
            listStr = listStr + item + joinChar;
        }

        listStr = listStr.substring(0, listStr.length() - joinChar.length());

        return listStr;

    }

    @SuppressWarnings("rawtypes")
    public static boolean isEmpty(Collection list) {
        return !isNotEmpty(list);
    }

    public static boolean isEmpty(Object[] arr) {
        return !isNotEmpty(arr);
    }

    @SuppressWarnings("rawtypes")
    public static boolean isNotEmpty(Collection list) {
        if (list != null && list.size() > 0)
            return true;
        else
            return false;
    }

    public static boolean isNotEmpty(Object[] arr) {
        if (arr != null && arr.length > 0)
            return true;
        else
            return false;
    }
}

Related

1. joinTokens(final List tokens)
2. joinToString(List list)
3. JoinToString(List list, String delimiter)
4. joinUnique(List list, T element)
5. joinWordList(List wordList, String delimiter)
6. listToText(List list, String join)
7. orderJoinType(List jList)
8. reverseJoinType(List jList)
9. sortAndJoin(List col, String sep)