Java tutorial
//package com.java2s; /** * Copyright 2009 Welocalize, Inc. * * 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.Set; public class Main { /** * Get a process definitions string like "1,2,3". */ private static String getProcessDefinitions(Set<Long> processDefinitions) { StringBuilder processDefs = new StringBuilder(); int count = 0; for (Long pd : processDefinitions) { processDefs.append(pd); count++; if (count < processDefinitions.size()) { processDefs.append(","); } } return processDefs.toString(); } }