Here you can find the source of joinList(List
Parameter | Description |
---|---|
parts | The Strings to join. |
sep | The separator to use between parts members. |
public static String joinList(List<String> parts, String sep)
//package com.java2s; /**/*from ww w. j a v a 2 s .c o m*/ * Copyright 2014-2015 Smartsheet.com, 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 { /** * Join a List of Strings with a separator. * * @param parts The Strings to join. * @param sep The separator to use between parts members. * @return The resulting string, or "" (empty or null parts list). */ public static String joinList(List<String> parts, String sep) { if (parts == null || parts.isEmpty()) { return ""; } StringBuilder sb = new StringBuilder(); boolean first = true; for (String part : parts) { if (first) { first = false; } else { sb.append(sep); } sb.append(part); } return sb.toString(); } }