Java tutorial
//package com.java2s; /* * The MIT License (MIT) * * Copyright (c) 2016 Alec Rietman * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import org.json.JSONArray; import java.util.ArrayList; public class Main { /** * Converts a {@link JSONArray} to an {@link ArrayList} of strings * @param jsonArray A JSON array that contains strings * @return A list of the strings contained in the JSON array */ public static ArrayList<String> jsonArrayToList(JSONArray jsonArray) throws Exception { if (jsonArray.length() == 0) return new ArrayList<>(); if (!(jsonArray.get(0) instanceof String)) throw new Exception("Must pass in a json array with only string values"); ArrayList<String> result = new ArrayList<>(); for (int i = 0; i < jsonArray.length(); i++) { result.add(jsonArray.getString(i)); } return result; } }