Java tutorial
//package com.java2s; /* * Copyright 2009 Codecarpet * * 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 { public static String componentsJoinedByString(List<String> list, String separator) { StringBuilder sb = new StringBuilder(); sb.append(list.get(0)); int length = list.size(); for (int i = 1; i < length; i++) { sb.append(separator).append(list.get(i)); } return sb.toString(); } }