#vulnerable code 
                               public static String toString(final InputStream stream)
   {
      StringBuilder out = new StringBuilder();
      try
      {
         final char[] buffer = new char[0x10000];
         Reader in = new InputStreamReader(stream, "UTF-8");
         int read;
         do
         {
            read = in.read(buffer, 0, buffer.length);
            if (read > 0)
            {
               out.append(buffer, 0, read);
            }
         }
         while (read >= 0);
      }
      catch (UnsupportedEncodingException e)
      {
         throw new RuntimeException(e);
      }
      catch (IOException e)
      {
         throw new RuntimeException(e);
      }
      return out.toString();
   } 
                            #location 27 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                               public static String toString(final InputStream stream)
   {
      StringBuilder out = new StringBuilder();

      try
      {
         final char[] buffer = new char[0x10000];
         Reader in = new InputStreamReader(stream, StandardCharsets.UTF_8);
         int read;
         do
         {
            read = in.read(buffer, 0, buffer.length);
            if (read > 0)
            {
               out.append(buffer, 0, read);
            }
         }
         while (read >= 0);
      }
      catch (IOException e)
      {
         throw new RuntimeException(e);
      }
      return out.toString();
   }