com.fasterxml.jackson.databind.ObjectMapper. .readValue .convertValue

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    String str="{\"student\":[{\"name\":\"leilei\",\"age\":23},{\"name\":\"leilei02\",\"age\":23}]}";    Student stu = null;    List<Student> list = null;    try {        ObjectMapper objectMapper=new ObjectMapper();        StudentList studentList=objectMapper.readValue(str, StudentList.class);        list=studentList.getStudent();    } catch (Exception e) {        e.printStackTrace();    }     list.streams.forEach(System::out::println)

 

ArrayList<Student> list=new ArrayList<Student>();Student s1=new Student(); s1.setName("leilei01"); s1.setAge(23);Student s2=new Student(); s2.setName("leilei02"); s2.setAge(23);list.add(s1); list.add(s2);StringWriter str=new StringWriter();ObjectMapper objectMapper=new ObjectMapper();try {    objectMapper.writeValue(str, list);} catch (Exception e) {    e.printStackTrace();}   System.out.println(str);

 

com.fasterxml.jackson.databind.ObjectMapper. .readValue .convertValue