new JSON object code example

Example 1: new jsonobject java

String message;
JSONObject json = new JSONObject();
json.put("name", "student");

JSONArray array = new JSONArray();
JSONObject item = new JSONObject();
item.put("information", "test");
item.put("id", 3);
item.put("name", "course1");
array.add(item);

json.put("course", array);

message = json.toString();

// message
// {"course":[{"id":3,"information":"test","name":"course1"}],"name":"student"}

Example 2: create a json object in javascript

var employee = {
  "firstName": firstName,
  "lastName": lastName
}

Example 3: create a javascript json object

const student = {
  name: "bob",
  age: 7,
  grade: 6
}