<dependency> <groupId>javax.json</groupId> <artifactId>javax.json-api</artifactId> <version>1.1.2</version> </dependency> <dependency> <groupId>org.glassfish</groupId> <artifactId>javax.json</artifactId> <version>1.1</version> </dependency> JsonObject jsonObject = Json.createObjectBuilder() .add("name", "John") .add("age", 30) .add("city", "Beijing") .build(); String name = jsonObject.getString("name"); int age = jsonObject.getInt("age"); String city = jsonObject.getString("city"); jsonObject = Json.createObjectBuilder(jsonObject) .add("age", 31) .build(); JsonArray jsonArray = Json.createArrayBuilder() .add("apple") .add("banana") .add("orange") .build(); String jsonString = jsonObject.toString(); System.out.println(jsonString);