extract json from json string [duplicate]

Question

I am fetching data from the database as a JSON String:

{"companyName":"abcd","address":"abcdefg"}

How can I extract the company name from the given JSON String?

Do you mean how to work with JSON in Java? It seems unclear what you are asking about. I made this assumption only because of java tag. — Yeldar Kurmangaliyev
– Yeldar Kurmangaliyev, Commented Sep 25, 2015 at 5:06

Rahul Yadav · Accepted Answer · 2015-09-25 05:07:41Z

3

Refer JSON

JSONObject jsonObject = new JSONObject(YOUR_JSON_STRING);
JSONObject companyName = jsonObject .get("companyName");

answered Sep 25, 2015 at 5:07

Rahul Yadav

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2 Comments

Andreas Over a year ago

Although you did provide a link to some javadoc, you didn't explain that this requires installing a third-party jar file in order to work, or where to find such file.

Rahul Yadav Over a year ago

You can download the code from Here compile it and create a jar. Adding this jar should make these classes available.

Kruti Patel · Accepted Answer · 2015-09-25 05:31:01Z

2

JsonParser parser =  new JsonParser();
JsonElement jsonElement = parser.parse("your string");
JsonObject jsonObj = jsonElement.getAsJsonObject();
String comapnyName = jsonObj.get("companyName").getAsString();

This is how we can parse json string in java. You will need to add com.google.gson library to compile this code.

edited Sep 25, 2015 at 5:31

answered Sep 25, 2015 at 5:11

Kruti Patel

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2 Comments

Andreas Over a year ago

There is no JsonParser is the Java Standard Library. This code won't compile.

Kruti Patel Over a year ago

@Andreas: Thanks for remind me. I have updated the library.

Prakash Bisht · Accepted Answer · 2015-10-28 06:07:42Z

2

JSONObject obj = new JSONObject();

  obj.put("name","foo");
  obj.put("num",new Integer(100));
  obj.put("balance",new Double(1000.21));
  obj.put("is_vip",new Boolean(true));

  StringWriter out = new StringWriter();
  obj.writeJSONString(out);

answered Oct 28, 2015 at 6:07

Prakash Bisht

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Comments

Shardendu · Accepted Answer · 2015-09-25 09:57:35Z

1

JSONObject json = (JSONObject)new JSONParser().parse("{\"companyName\":\"abcd\", \"address\":\"abcdefg\"}");
System.out.println("companyName=" + json.get("companyName"));
System.out.println("address=" + json.get("address"));

edited Sep 25, 2015 at 9:57

answered Sep 25, 2015 at 5:19

Shardendu

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2 Comments

Andreas Over a year ago

The question is about Java, not JavaScript.

Shardendu Over a year ago

I have edited my answer ,I think this Gonna work

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