Here you can find the source of joinSegments(List
public static CharSequence joinSegments(List<String> segments, int startIndex, int endIndex)
//package com.java2s; /*/*from w w w. jav a 2 s .co m*/ * Copyright 2011 InterComponentWare AG. * * 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 { /** * Joins segments from startIndex to endIndex-1. */ public static CharSequence joinSegments(List<String> segments, int startIndex, int endIndex) { StringBuilder sb = new StringBuilder(); appendSegments(sb, segments, startIndex, endIndex); return sb; } /** * Appends segments from startIndex to endIndex-1 to the given StringBuilder. */ public static void appendSegments(StringBuilder sb, List<String> segments, int startIndex, int endIndex) { for (int i = startIndex; i < endIndex; ++i) { sb.append(segments.get(i)).append('\r'); } } }