JSON file parsing in java

Question

Edited. Anyone know how to read the record in every new line. The below code can only read 1 sentence.

JSONParser parser = new JSONParser(); try { Object obj = parser.parse(new FileReader("src/test.json")); JSONObject jsonObject = (JSONObject) obj; String name = (String) jsonObject.get("name"); System.out.println(name); }

I followed the download here link and it is a zip file and add external library to eclipse but still have error after inserting import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; — user2483015
– user2483015, Commented Jun 18, 2013 at 4:33
please post your json file, thing is once you have got the jsonobject then you need to iterate/fetch from the object based on your json structure. — Sikorski
– Sikorski, Commented Jun 18, 2013 at 14:50

Community · Accepted Answer · 2017-05-23 11:56:02Z

1

Many ways. I suggest you use google-gson

edited May 23, 2017 at 11:56

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answered Jun 18, 2013 at 4:01

Aravind Yarram

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Anurag Tripathi · Accepted Answer · 2013-06-18 06:08:24Z

You can use codehouse jackson

ObjectMapper mapper = new ObjectMapper(); BufferedReader br = new BufferedReader(new FileReader(tweets)); Map<String, Object> json_as_map = mapper.readValue(br, new TypeReference<Map<String, Object>>() {});

After that you can traverse your map or arraylist according to ur structure.

You have to add search.maven.org/remotecontent?filepath=org/codehaus/jackson/… in your classpath. And then use JAVA Collection APIs to parse JSON.

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