如何使用简单的JSON库将JSON文件读入Java

如你所说，JSON Blob的最外层是一个数组。因此，你的解析器将返回

JSONArray

JSONObject

  JSonArray a = (JSONArray) parser.parse(new FileReader("c:\exer4-courses.json"));  for (Object o : a)  {    JSonObject person = (JSONObject) o;    String name = (String) person.get("name");    System.out.println(name);    String city = (String) person.get("city");    System.out.println(city);    String job = (String) person.get("job");    System.out.println(job);    JSonArray cars = (JSONArray) person.get("cars");    for (Object c : cars)    {      System.out.println(c+"");    }  }