String数组转换成JSON

String数组转换成JSON

String[] arr_String  = {"a","b","c"}; 
System.out.println(arr_String);//输出[Ljava.lang.String;@5ca0b138
String json_arr_String = JSON.toJSONString(arr_String); 
System.out.println(json_arr_String); //输出["a","b","c"]

来自：http://www.cnblogs.com/DreamDrive/p/5778959.html