To getting the json from URL and converting the json in MAP Object

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map.Entry;

import org.apache.commons.io.IOUtils;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.json.simple.parser.ParseException;

public class ParseJson1 {

    public static void main(String[] args) throws IOException {
        URL url = new URL("http://freemusicarchive.org/api/get/genres.json?api_key=60BLHNQCAOUFPIBZ&limit=2");
        try {
            HashMap<String, String> map=new HashMap<String,String>();
            String genreJson = IOUtils.toString(url.openStream());
            JSONObject genreJsonObject = (JSONObject) JSONValue.parseWithException(genreJson);
           Iterator i= genreJsonObject.entrySet().iterator();
            while(i.hasNext())
            {
           Entry ee=(Entry) i.next();
           System.out.println(ee.getKey());
           System.out.println(ee.getValue());
                }
          
      
           /*
            // get the title
            System.out.println(genreJsonObject.get("title"));
            // get the data
            JSONArray genreArray = (JSONArray) genreJsonObject.get("dataset");
            // get the first genre
            JSONObject firstGenre = (JSONObject) genreArray.get(0);
            System.out.println(firstGenre.get("genre_title"));
        */
        
        } catch (IOException | ParseException e) {
            e.printStackTrace();
        }
    }
}

Note - Required jars commons-io-1.4.jar , json-simple.jar