Java tutorial
//package com.java2s; /* * Copyright (C) 2010-2014 The MPDroid Project * * 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.ArrayList; public class Main { private static final String LIBRARY_TABS_DELIMITER = "|"; public static String getTabsStringFromList(final ArrayList<String> tabs) { final StringBuilder resultTabs; if (tabs == null || tabs.isEmpty()) { resultTabs = new StringBuilder(""); } else { resultTabs = new StringBuilder(tabs.size() * 10); resultTabs.append(tabs.get(0)); for (int i = 1; i < tabs.size(); i++) { resultTabs.append(LIBRARY_TABS_DELIMITER); resultTabs.append(tabs.get(i)); } } return resultTabs.toString(); } }