package javautils.json; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; public class JacksonUtil { public static String toJSON(Object o) { try { ObjectMapper objectMapper = new ObjectMapper(); return objectMapper.writeValueAsString(o); } catch (JsonProcessingException e) { e.printStackTrace(); } return null; } public static T toObject(String json, Class clazz) { try { ObjectMapper objectMapper = new ObjectMapper(); return objectMapper.readValue(json, clazz); } catch (Exception e) { e.printStackTrace(); } return null; } public static void main(String[] args) { } }