Jak napisać plik JSON za pomocą Java
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.
Chathumal Sangeeth
