MyHTTPClient.java

public class MyHTTPClient {
    private URL mUrl;
    public MyHTTPClient(URL url) {
        mUrl = url;
    }
  
    public String getString() throws IOException {
        HTTPUrlConnection urlConnection = null;
        
        URL url = new URL(mUrl, "/string");
        
        try {
            urlConnection = (HTTPUrlConnection) url.openConnection();
          
            InputStream in = urlConnection.getInputStream();
          
            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
            StringBuilder out = new StringBuilder();
            
            String line;
            
            while ((line = reader.readLine()) != null) {
                out.append(line);
            }
            
            return out.toString();
            
        } finally {
            if (urlConnection != null) urlConnection.disconnect();
        }
        
        return null;
    }
}