This app have advance java tutorial ???

Answer 1

I learn advance stuffs here by reading codes of good programmers and discussing with them when in doubt,
also there are many people on SoloLearn who provide with you with good answers to get clarity, follow them and read their posts and activities regularly.

and don't forget to like to show your appreciation for their time, ton of java resources in the post section

Answer 2

Nope, but there are advanced java developers in here.