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

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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】