java alibaba fastJson 遍历数组取值循环等

一、引入的jar包

import com.alibaba.fastjson.JSON;

二、取值循环

String str= " [{"sort":"1","item":"单选1","value":"答案一"},{"sort":2,"item":"选项2","value":"答案二"}]";
List<HashMap> list =JSON.parseArray(str, HashMap.class);
for (Map<String,Object> hashMap : list) {
    System.out.println(hashMap);
	String item=(String)  hashMap.get("item");
}