ReadJsonScalaJson4s.scala

package scalabeginner.jsonJackson
import org.json4s._
import org.json4s.jackson.JsonMethods._

import scala.io.Source

case class Person(firstName: String, lastName: String, age: Int)

object ReadJson extends App {

    implicit val formats= DefaultFormats

    val jsonSource = Source.fromFile("data/person.json")
    val jsonParse = parse(jsonSource.reader())
    jsonSource.close()

    val jsonPerson = jsonParse.extract[List[Person]]  // implicit format required
    println(jsonPerson)
    //List(Person(Rupesh,Raghavan,42), Person(Roopa,Rupesh,33))


}

/*
https://www.hackingnote.com/en/scala/json4s
[
  {
    "firstName": "Rupesh",
    "lastName": "Raghavan",
    "age": 42
  },
  {
    "firstName": "Roopa",
    "lastName": "Rupesh",
    "age": 33
  }
]
 */