code: public Writer write(Writer writer) throws JSONException {
  		try {
  			boolean b = false;
  			Iterator keys = keys();
  			writer.write('{');
  
  			while (keys.hasNext()) {
  				if (b) {
  					writer.write(',');
  				}
  				Object k = keys.next();
  				writer.write(quote(k.toString()));
  				writer.write(':');
  				Object v = this.map.get(k);
  				if (v instanceof JSONObject) {
  					((JSONObject) v).write(writer);
  				} else if (v instanceof JSONArray) {
  					((JSONArray) v).write(writer);
  				} else {
  					writer.write(valueToString(v));
  				}
  				b = true;
  			}
  			writer.write('}');
  			return writer;
  		} catch (IOException e) {
  			throw new JSONException(e);
  		}
  	}
docs: Write the contents of the JSONObject as JSON text to a writer.
  For compactness, no whitespace is added.
  <p>
  Warning: This method assumes that the data structure is acyclical.
  
  @return The writer.
  @throws JSONException