java访问远程接口返回json数据接收

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

/**
 * @author lijinnan
 * @date:2013-11-11 下午6:12:26
 */
public  class  HttpJSONTest {

    /**
     * @param args
     */
    public  static  void  main(String[] args) {
        String url =  "http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo" ;
        String json = loadJSON(url);
        System.out.println(json);
    }

    public  static  String loadJSON (String url) {
        StringBuilder json =  new  StringBuilder();
        try  {
            URL oracle =  new  URL(url);
            URLConnection yc = oracle.openConnection();
            BufferedReader in =  new  BufferedReader( new  InputStreamReader(
                                        yc.getInputStream()));
            String inputLine =  null ;
            while  ( (inputLine = in.readLine()) !=  null ) {
                json.append(inputLine);
            }
            in.close();
        }  catch  (MalformedURLException e) {
        }  catch  (IOException e) {
        }
        return  json.toString();
    }
}