JSONAPI.java

import org.json.simple.JSONValue;
import org.json.simple.parser.ParseException;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class JSONAPI {

	private static final String USER_AGENT  = "MyUserAgent";// Change this!
	private static final String REQUEST_URL = "https://api.spiget.org/v2/resources/2";

	public static void main(String[] args) {
		try {
			URL url = new URL(REQUEST_URL);
			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
			connection.addRequestProperty("User-Agent", USER_AGENT);// Set User-Agent

			// If you're not sure if the request will be successful,
			// you need to check the response code and use #getErrorStream if it returned an error code
			InputStream inputStream = connection.getInputStream();
			InputStreamReader reader = new InputStreamReader(inputStream);

			// This could be either a JSONArray or JSONObject
			Object value = JSONValue.parseWithException(reader);

			// TODO: process value
			System.out.println(value);
		} catch (IOException | ParseException e) {
			// TODO: handle exception
			e.printStackTrace();
		}
	}

}