convert list of lists to json object in java

Question

I have table employee which has the columns EMPID, EMPNAME, EMPAGE, SALARY, ADDRESS, department_id (foreign key to department_id in department) and another table department which has department_id, name. So I made a query

List<Department> deps = sessionFactory.getCurrentSession().createCriteria(Department.class).list();

The return vlaue is a List of Lists

I want to put the result in in JSON Object. How can I achieve this?

Take a look at spring-data-rest and spring-boot -- it'll do all of this for you with minimal code — Software Engineer
– Software Engineer, Commented Apr 7, 2016 at 13:41

Herr Derb · Accepted Answer · 2016-04-07 12:56:08Z

1

Do something like this

    List<List<Object>> listOfLists = new ArrayList<>();
    JSONArray jsonArray = new JSONArray();
        for (List<Object> list : listOfLists) {
        JSONArray newArray = new JSONArray(list);
        jsonArray.put(newArray);
    }

answered Apr 7, 2016 at 12:56

Herr Derb

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Comments

sainiVinay · Accepted Answer · 2016-04-08 12:15:23Z

0

if you are using Spring then just add produces ={"application/json"} in your REST @RequestMapping and rest thing Spring will do for you

edited Apr 8, 2016 at 12:15

answered Apr 7, 2016 at 12:57

sainiVinay

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