analisi javascript json
var jsonPerson = '{"first_name":"billy", "age":23}';
var personObject = JSON.parse(jsonPerson); //parse json string into JS object
Oggetto Javascript alla stringa JSON
var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);
oggetto a json c#
using Newtonsoft.Json;
var jsonString = JsonConvert.SerializeObject(obj);
come convertire json in oggetto java
Jackson Data-bind depdendency that take care of
Converting between
JSON to Java Object
and
Java Object to JSON
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.0</version>
</dependency>
come convertire json per oggetto java
Jackson Data-bind depdendency that take care of
Converting between
JSON to Java Object
and
Java Object to JSON
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.0</version>
</dependency>
come convertire jsonobject in stringa json in java
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
public class TestJSON {
public static void main(String[] args) {
JSONObject jObject = new JSONObject();
jObject.put("EmployeeId", new Integer(121));
jObject.put("Name", "Ramesh");
jObject.put("Salary", new Double(15000.00));
jObject.put("isPermanent", new Boolean(true));
jObject.put("Nickname", null);
//convert from JSONObject to JSON string
String jsonText = jObject.toJSONString();
System.out.println(jsonText);
JSONParser parser = new JSONParser();
//convert from JSON string to JSONObject
JSONObject newJObject = null;
try {
newJObject = (JSONObject) parser.parse(jsonText);
} catch (ParseException e) {
e.printStackTrace();
}
System.out.println(newJObject.get("EmployeeId"));
System.out.println(newJObject.get("Name"));
System.out.println(newJObject.get("Salary"));
System.out.println(newJObject.get("isPermanent"));
System.out.println(newJObject.get("Nickname"));
}
}
Come convertire Json in oggetto Java
I add GSON dependency in my POM --> It’s a json parser. That is
used to convert from java object to json and from json to java
object
SERIALIZATION: CONVERT JAVA OBJECT -> JSON
DE-SERIALIZATION: CONVERT JSON -> JAVA OBJECT