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how to read json object from text file in java

Plain Panther answered on February 8, 2022 Popularity 1/10 Helpfulness 1/10

answer how to read json object from text file in java

how to read json object from text file in java

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hi
my name is muhammad Haseeb Iqbal

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: file java json object text

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Contributed on Feb 08 2022

Plain Panther

0 Answers Avg Quality 2/10

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How to read a JSON file in java

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import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
 
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
 
public class ReadJSONExample 
{
    @SuppressWarnings("unchecked")
    public static void main(String[] args) 
    {
        //JSON parser object to parse read file
        JSONParser jsonParser = new JSONParser();
         
        try (FileReader reader = new FileReader("employees.json"))
        {
            //Read JSON file
            Object obj = jsonParser.parse(reader);
 
            JSONArray employeeList = (JSONArray) obj;
            System.out.println(employeeList);
             
            //Iterate over employee array
            employeeList.forEach( emp -> parseEmployeeObject( (JSONObject) emp ) );
 
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
        }
    }
 
    private static void parseEmployeeObject(JSONObject employee) 
    {
        //Get employee object within list
        JSONObject employeeObject = (JSONObject) employee.get("employee");
         
        //Get employee first name
        String firstName = (String) employeeObject.get("firstName");    
        System.out.println(firstName);
         
        //Get employee last name
        String lastName = (String) employeeObject.get("lastName");  
        System.out.println(lastName);
         
        //Get employee website name
        String website = (String) employeeObject.get("website");    
        System.out.println(website);
    }
}

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

Popularity 10/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: file

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Contributed on May 15 2022

Chathumal Sangeeth

0 Answers Avg Quality 2/10

how to read json object from text file in java

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