Here you can find the source of csv(String separator, String... elements)
public static String csv(String separator, String... elements)
//package com.java2s; /*//from w w w. ja v a 2s . co m * Copyright (c) 2012-2014 RONDHUIT Co.,Ltd. * * 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. * */ public class Main { public static String csv(String separator, String... elements) { if (elements.length == 0) return null; StringBuilder sb = new StringBuilder(elements[0]); for (int i = 1; i < elements.length; i++) { sb.append(separator).append(elements[i]); } return sb.toString(); } }