java alibaba fastJson 遍历数组json

1import java.util.*;
2import com.alibaba.fastjson.*;
3public class Test {
4	public static void main(String[] args) {
5	    //方法１
6	    String json = "[{\"companyId\":\"111111111\",\"companyName\":\"Huuuu\",\"_uid\":10,\"_index\":0,\"_state\":\"modified\"},{\"companyId\":\"000000000000000000\",\"companyName\":\"cx01\",\"_uid\":11,\"_index\":1,\"_state\":\"modified\"},{\"companyId\":\"9999999999999\",\"companyName\":\"ttt\",\"_uid\":12,\"_index\":2,\"_state\":\"modified\"}]";
7	    List<HashMap> list =JSON.parseArray(json, HashMap.class);
8	    for(int i=0;i<list.size();i++){
9	      System.out.println(list.get(i).get("companyId"));;
10	    }
11	    //方法２
12	    /*
13	    JSONArray jarr = JSONArray.parseArray(json);
14	    for (Iterator iterator = jarr.iterator(); iterator.hasNext();) {
15	      JSONObject job = (JSONObject) iterator.next();
16	      System.out.println(job.get("companyId").toString());
17	    }*/
18	}
19}
20
21String str = "[\"\\/static\\/upload\\/1539863638_0.png\"]";
22    JSONArray array = new JSONArray().parseArray(str);
23
24        if(null!=array){
25            array.set(0, "----------"+array.get(0));
26            for (Iterator iterator = array.iterator(); iterator.hasNext();) {
27              System.out.println(iterator.next());
28            }
29        }