json小记

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public class test {    public static void t1() {        String responseJsonObject="[2,30,90,70]";        try {//          JSONObject obj=new JSONObject(responseJsonObject);//          JSONArray ary=obj.getJSONArray("b4");            JSONArray ary=new JSONArray(responseJsonObject);            for (int i = 0; i < ary.length(); i++) {                Integer job=(Integer) ary.get(i);                System.out.println("----------i="+i+"---v="+job);            }        } catch (JSONException e) {            e.printStackTrace();        }    }    public static void t2() {        String responseJsonObject="{\"b4\":[2,30,90,70]}";        try {            JSONObject obj=new JSONObject(responseJsonObject);            JSONArray ary=obj.getJSONArray("b4");            for (int i = 0; i < ary.length(); i++) {                Integer job=(Integer) ary.get(i);                System.out.println("----------i="+i+"---v="+job);            }        } catch (JSONException e) {            e.printStackTrace();        }    }    public static void t3() {        String responseJsonObject="[2,30,90,70]";        try {            List ary= java.util.Arrays.asList(responseJsonObject);             for (int i = 0; i < ary.size(); i++) {                String job=(String) ary.get(i);                System.out.println("----------i="+i+"---v="+job);            }        } catch (Exception e) {            e.printStackTrace();        }    }}
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