#include<iostream> 
#include<ofstream> 
#include "json.hpp" 
  
// For convenience 
using json = nlohmann::json; 
using namespace std; 
  
int main(){ 
  json obj; 
  obj["Name"] = "Inshal"; 
  obj["Roll no"] = "42"; 
  obj["Dept"] = "CSE"; 
  obj["cgpa"] = "7.99"; 
    
  ofstream file("output.json"); 
  file<<setw(4)<<obj<<endl; 
  file.close(); 
  cout<<"JSON Object Created:"; 
  for (auto& element : obj) { 
    cout << element << '\n'; 
  } 
}

JSON Object Created:{
    "Name":"Inshal",
    "Roll no":"42",
    "Dept":"CSE",
    "cgpa":"7.99"
}

'use strict'; 
    
const fs = require('fs'); 
    
fs.readFile('output.json', (err, data) => { 
    if (err) throw err; 
    let obj = JSON.parse(data); 
    console.log(obj); 
}); 
    
console.log('File Reading completed');

JSON file created:{
"name":"Inshal Khan",
"Roll no":"42",
"cgpa":"7.99"}
File Reading completed