Here you can find the source of toCsvString(List
@Deprecated public static String toCsvString(List<String> values)
//package com.java2s; /******************************************************************************* * Copyright (c) 2004 - 2006 Mylar committers and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html *******************************************************************************/ import java.util.*; public class Main { /**//w ww . ja v a2 s . c o m * @deprecated Use {@link Joiner#join(Iterable)} */ @Deprecated public static String toCsvString(List<String> values) { if (values == null || values.isEmpty()) return ""; StringBuilder builder = new StringBuilder(); for (String value : values) builder.append(value).append(','); builder.deleteCharAt(builder.length() - 1); return builder.toString(); } public static boolean isEmpty(String value) { return (value == null || value.length() == 0); } }