GET data from internet / api

JSONParser

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

public class JSONParser {

    public static String getPlainJSON(String api) throws MalformedURLException, IOException {
        URL url = new URL(api);
        URLConnection urlc = url.openConnection();
        StringBuilder builder;
        try (InputStreamReader inStream = new InputStreamReader(urlc.getInputStream()); BufferedReader buff = new BufferedReader(inStream)) {
            builder = new StringBuilder();
            while (true) {
                String nextLine = buff.readLine();
                String NL = System.getProperty("line.separator");
                if (nextLine != null) {
                    builder.append(nextLine).append(NL);
                } else {
                    break;
                }
            }
        }
        return builder.toString();
    }
}