Here you can find the source of convertSetToList(Set
public static List<String> convertSetToList(Set<String> typeSet)
//package com.java2s; /*// w w w .ja va2 s.c o m * Copyright 2015 Samsung Electronics All Rights Reserved. * * 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; import java.util.Iterator; import java.util.List; import java.util.Set; public class Main { public static List<String> convertSetToList(Set<String> typeSet) { if (null == typeSet) { return null; } List<String> list = new ArrayList<String>(); Iterator<String> typeItr = typeSet.iterator(); while (typeItr.hasNext()) { list.add(typeItr.next()); } return list; } }