YAHOO finance API

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;

public class Quotes {

    public String[][] get(String[] id, String[] properties) {
        List<List<String>> quotesList = new ArrayList<>();
        String[][] quotes;
        try {
            URL q_endpoint = new URL(buildUrl(id, properties));
            BufferedReader in = new BufferedReader(new InputStreamReader(q_endpoint.openStream()));

            String inputLineTmp;
            while ((inputLineTmp = in.readLine()) != null && !Objects.equals(inputLineTmp, "")) {
                quotesList.add(Arrays.asList(inputLineTmp.split(",")));
            }

        } catch (IOException e) {
            e.printStackTrace();
        }

        quotes = new String[quotesList.size()][];
        for (int i = 0; i < quotesList.size(); i++) {
            List<String> quote = quotesList.get(i);
            quotes[i] = quote.toArray(new String[quote.size()]);
        }

        return quotes;
    }

    private String buildUrl(String id[], String[] properties) {
        String url = "http://finance.yahoo.com/d/quotes.csv";
        //add and encode ids to the url
        try {
            if (id.length != 0) {
            url += "?s=";
            for (int i = 0; i < id.length; i++) {
                url += URLEncoder.encode(id[i], "UTF-8");
                if (i != id.length - 1) url += ',';
            }
        }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        //add to url properties
        if (properties.length != 0) {
            url += "&f=";
            for (int i = 0; i < properties.length; i++) {
                url += properties[i];
                if (i != properties.length - 1) url += ',';
            }
        }

        //add static part
        url += "&e=.csv";
        return url;
    }

    public static void main(String[] args) {
        Quotes q = new Quotes();
        String[][] o = q.get(new String[] {"GOOG"}, new String[]{"nsl1op"});
        System.out.println(Arrays.toString(o));
    }
}