JGuru offers us a platform where we altogether discuss a set of technical problems which we are facing in our fields and try to solve them.

But it seems that you are testing the peoples who belongs to this forum.

Because you can simply run the program and see the output.

Anyway, the answer of your question
If you attempt to serialize the object of ford class.
Then ford object will be serialize as well as the object of car (implicitly related to ford ) will be also serialized.