java get json from url

1import java.io.BufferedReader;
2import java.io.IOException;
3import java.io.InputStream;
4import java.io.InputStreamReader;
5import java.io.Reader;
6import java.net.URL;
7import java.nio.charset.Charset;
8
9import org.json.JSONException;
10import org.json.JSONObject;
11
12public class JsonReader {
13
14  private static String readAll(Reader rd) throws IOException {
15    StringBuilder sb = new StringBuilder();
16    int cp;
17    while ((cp = rd.read()) != -1) {
18      sb.append((char) cp);
19    }
20    return sb.toString();
21  }
22
23  public static JSONObject readJsonFromUrl(String url) throws IOException, JSONException {
24    InputStream is = new URL(url).openStream();
25    try {
26      BufferedReader rd = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
27      String jsonText = readAll(rd);
28      JSONObject json = new JSONObject(jsonText);
29      return json;
30    } finally {
31      is.close();
32    }
33  }
34}

1//include org.json:json as a dependency
2try(BufferedReader br=new BufferedReader(new InputStreamReader(new URL("URL here").openStream()))){
3	JSONObject json=new JSONObject(br.lines().collect(Collectors.joining()));
4    json.getString("hello");//gets the String of the key named "hello"
5    json.getInt("world");//gets the integer value of the key named "world"
6    json.getJSONObject("test");//gets the JSONObject value representation of the key "test", you can use the getXXX methods on the returned object
7    json.getJSONObject("test").getString("something");
8}
9
10/* JSON data:
11{
12	"hello": "some string",
13    "world": 1234,
14    "test":{
15    	"something": "else"
16    }
17}
18*/