scala import com.fasterxml.jackson.module.scala.DefaultScalaModule import com.fasterxml.jackson.databind.ObjectMapper case class Person(name: String, age: Int) object JacksonScalaExample { def main(args: Array[String]): Unit = { val person = Person("Alice", 25) val objectMapper = new ObjectMapper() objectMapper.registerModule(DefaultScalaModule) val jsonString = objectMapper.writeValueAsString(person) } }