import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.Charset;
import org.json.*;
 
public class Prueba {
	public static void main(String[] args) {
        String resultado = callURL("https://deckofcardsapi.com/api/deck/new/shuffle/?deck_count=1");
        JSONObject procesar = new JSONObject(resultado);
        

		System.out.println("\nOutput: \n" + resultado);
		System.out.println("Resultado: " +procesar.getString("deck_id") );
	}
 
	public static String callURL(String myURL) {
		System.out.println("Requeted URL:" + myURL);
		StringBuilder sb = new StringBuilder();
		URLConnection urlConn = null;
		InputStreamReader in = null;
		try {
			URL url = new URL(myURL);
			urlConn = url.openConnection();
			if (urlConn != null)
				urlConn.setReadTimeout(60 * 1000);
			if (urlConn != null && urlConn.getInputStream() != null) {
				in = new InputStreamReader(urlConn.getInputStream(),
						Charset.defaultCharset());
				BufferedReader bufferedReader = new BufferedReader(in);
				if (bufferedReader != null) {
					int cp;
					while ((cp = bufferedReader.read()) != -1) {
						sb.append((char) cp);
					}
					bufferedReader.close();
				}
			}
		in.close();
		} catch (Exception e) {
			throw new RuntimeException("Exception while calling URL:"+ myURL, e);
		} 
 
		return sb.toString();
	}

}