Here you can find the source of toList(final String commaSeparatedString)
public static List<String> toList(final String commaSeparatedString)
//package com.java2s; /**/*from w w w.j a v a 2 s . co m*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.List; public class Main { public static List<String> toList(final String commaSeparatedString) { List<String> list = new ArrayList<>(); if (commaSeparatedString == null || commaSeparatedString.trim().length() == 0) { return list; } String[] values = commaSeparatedString.split(","); for (String value : values) { list.add(value.trim()); } return list; } }