How to write a JSON file using java

Chathumal Sangeeth answered on October 22, 2021 Popularity 10/10 Helpfulness 5/10

answer How to write a JSON file using java

related write json string to file in java

How to write a JSON file using java

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import java.io.FileWriter;
import java.io.IOException;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
 
public class WriteJSONExample
{
    @SuppressWarnings("unchecked")
    public static void main( String[] args )
    {
        //First Employee
        JSONObject employeeDetails = new JSONObject();
        employeeDetails.put("firstName", "Lokesh");
        employeeDetails.put("lastName", "Gupta");
        employeeDetails.put("website", "howtodoinjava.com");
         
        JSONObject employeeObject = new JSONObject(); 
        employeeObject.put("employee", employeeDetails);
         
        //Second Employee
        JSONObject employeeDetails2 = new JSONObject();
        employeeDetails2.put("firstName", "Brian");
        employeeDetails2.put("lastName", "Schultz");
        employeeDetails2.put("website", "example.com");
         
        JSONObject employeeObject2 = new JSONObject(); 
        employeeObject2.put("employee", employeeDetails2);
         
        //Add employees to list
        JSONArray employeeList = new JSONArray();
        employeeList.add(employeeObject);
        employeeList.add(employeeObject2);
         
        //Write JSON file
        try (FileWriter file = new FileWriter("employees.json")) {
            //We can write any JSONArray or JSONObject instance to the file
            file.write(employeeList.toJSONString()); 
            file.flush();
 
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

//Update pom.xml with json-simple maven dependency.

Popularity 10/10 Helpfulness 5/10 Language java

Source: howtodoinjava.com

Tags: file java json using

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Contributed on May 15 2022

Chathumal Sangeeth

0 Answers Avg Quality 2/10

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write json string to file in java

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// Write JSON string to a file
try (FileWriter file = new FileWriter("fileName.json")) {
  file.write(data); // data is a JSON string here
  file.flush();
} catch (IOException e) {
  e.printStackTrace();
}

Popularity 10/10 Helpfulness 6/10 Language java

Source: howtodoinjava.com

Tags: file

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Contributed on Oct 22 2021

Black Wolf

0 Answers Avg Quality 2/10

How to write a JSON file using java

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How to write a JSON file using java

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write json string to file in java

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