public class JsonExtracter { public static void main(String[] args) { String s = "{/"name/":/"a/",/"family/":[/"張三/",/"李四/"]}"; JSONObject jsonObject = JSON.parseObject(s); //注意：family中的內容帶有中括號[]，所以要轉化為JSONArray類型的對象 JSONArray family = jsonObject.getJSONArray("family"); for (int i = 0; i < family.size(); i++) {  //提取出family中的所有  String s1 = (String) family.get(i);  System.out.println("currentFamily:" + s1); } }