Create objects of the same class with different variables-CodePudding

I would like to know if it is possible to create objects of the same class with different variables each time in Java.

Example:
This method returns data from a URL with a JSON file and I would like to use it to create a post object.

ObjectMapper mapper = new ObjectMapper();

public Post getData(String ... url) throws StreamReadException, DatabindException, MalformedURLException, IOException {
    return mapper.readValue(new URL(url[0]), Post.class);
}

But the .JSON may be:

{ "name": "Bob" }

But also:

{ "color": "Red", "width": "200", "height": "150" }

Or anything else.

CodePudding user response：

If Post is a subclass of Map or JsonNode, then yes, it can hold any key-value pairs.

If Post looks like this, then no, it's strictly defined as only having one field.

public class Post {
  String name;
}