java Object class

Question

How Object class is parent class of all classes which are in another package than java.lang package

Answer 1

You started Java Tutorial, so keep learning! ;)👍

Answer 2

https://docs.oracle.com/javase/7/docs/api/overview-tree.html

Answer 3

I hope this demo by Danijel Ivanovic explains your question about Object class in Java.
https://code.sololearn.com/cq5S6Z3p506Q/?ref=app