MojObject obj; obj.put("name", "John"); obj.put("age", 30);
MojObject obj("{\"name\":\"John\",\"age\":30}"); obj.put("city", "New York");Here, we create a new MojObject by parsing a JSON string. We then add a new key-value pair, "city" with a value of "New York". This function belongs to the Mojolicious framework's MojObject package library.