you will need to convert given string to JSONObject instead of JSONArray because current String contain JsonObject as root element instead of JsonArray: JSONObject jsonObject = new JSONObject(readlocationFeed);

Mar 21, 2015 · public static java.lang.String quote(java.lang.String string) Your code would now be: JSONObject jsonObj = new JSONObject.quote(jsonString.toString()); System.out.println(jsonString); System.out.println("---------------------------"); System.out.println(jsonObj);

Jul 19, 2019 · The org.json library has a JSONArray class which has a constructor accepting a String that can be parsed to a JSONArray. This is working when you have some simple form of Json array string like this: ["One", "two"] So you can parse it …

If you want to convert Java ArrayList into JSON array then you may follow the below example: my_arraylist.add("CodeSpeedy"); . my_arraylist.add("JSON Array"); . my_arraylist.add("Java Array"); . my_arraylist.add("Saruque"); JSONArray json_array = new JSONArray(arrayList); System.out.println(json_array); } } Output:

Oct 3, 2016 · Fortunately, there are many open-source libraries which allows you to create JSON object from JSON formatted String like Gson from Google, Jackson, and json-simple. In this tutorial, you will learn how to use these 3 main libraries to do this conversion with step-by-step examples. "name" : "Ronaldo", "sport" : "soccer", "age" : 25,

Sep 7, 2020 · To manipulate data effectively, one must be able to transform JSON strings into Java objects. To accomplish this conversion, we will examine three popular open-source libraries in this guide: Gson, JSON-Simple, and Jackson.

Apr 30, 2016 · Convert a Java collection/list/string[] array into JSON. Here we are creating List of student objects and passing this list into gson.toJson() method, which will accept Collectin,List, String[] etc.

Feb 2, 2024 · Use Google Gson to Convert a String to JSON Object in Java. Google Gson is a java library to serialize/deserialize Java Objects to JSON or vice-versa. It can also be used to convert Java string to its equivalent JSON Object. The maven dependency that is required for this library is given below.

Feb 7, 2016 · Use Gson library, which convert Java object to Json String. String[] sentences=new String[3]; sentences[0]="Hi"; sentences[1]="Hello"; sentences[2]="How r u?"; Gson gson=new GsonBuilder().create(); String jsonArray=gson.toJson(sentences); //["Hi","Hello","How r u?"] out.write(jsonArray); out.flush(); out.close();

May 31, 2024 · In the example below you can see how to convert an array into JSON string. We serialize the array to JSON using the Gson.toJson() method. To deserialize a string of JSON into array we use the Gson.fromJson() method.