java parse json
import org.json.*;
String jsonString = ... ; //assign your JSON String here
JSONObject obj = new JSONObject(jsonString);
String pageName = obj.getJSONObject("pageInfo").getString("pageName");
JSONArray arr = obj.getJSONArray("posts");
for (int i = 0; i < arr.length(); i++)
{
String post_id = arr.getJSONObject(i).getString("post_id");
......
}
3.8
10
//from object to JSON
Gson gson = new Gson();
gson.toJson(yourObject);
// from JSON to object
yourObject o = gson.fromJson(JSONString,yourObject.class);
Thank you!
10
0
3.4
5
public static void main(String[] args) throws Exception {
JSONObject jsonObject = (JSONObject) readJsonSimpleDemo("example.json");
System.out.println(jsonObject);
System.out.println(jsonObject.get("age"));
}
public static Object readJsonSimpleDemo(String filename) throws Exception {
FileReader reader = new FileReader(filename);
JSONParser jsonParser = new JSONParser();
return jsonParser.parse(reader);
}
Thank you!
5
0
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