<dependencies> <dependency> <groupId>com.typesafe.play</groupId> <artifactId>play-json_2.13</artifactId> <version>2.9.2</version> </dependency> </dependencies> import play.libs.Json; ObjectNode jsonObject = Json.newObject(); jsonObject.put("name", "John"); jsonObject.put("age", 25); import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; import com.typesafe.config.ConfigFactory; String jsonString = "{\"name\":\"John\",\"age\":25}"; JsonNode jsonNode = Json.parse(jsonString); String name = jsonNode.get("name").asText(); int age = jsonNode.get("age").asInt(); import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; import com.typesafe.config.ConfigFactory; ObjectMapper objectMapper = new ObjectMapper(); String jsonString = objectMapper.writeValueAsString(myObject);