Which is best course to learn Advanced java

Answer 1

I think you dont need another course but that on SL.
After knowing everything about basic types, flow control, classes etc. the remaining things are knowing where to find the modules and knowledge you need.

But learning - as you recognized very well - is not over.
Protocols like TCP/IP
Problems and solutions of threads...
All that stuff...
But it is not course learning. It is a kind of "learning-on-demand".
It means if u face a problem u cant solve yet with your knowledge, you should be able to get it in short time.

Now... what you want...
plugins for minecraft
webscraping..

Give yourself an advanced challenge and learn to learn the missing stuff .

Althuogh this is not the answer u expected I hope, I could help u.

Answer 2

Dhairya Talsania First try to state clearly that what do you mean when you say advanced Java.

There are a lot of concepts in Java which might not sound advanced but are very important and useful.

Some examples are-
1) Collections
2) Concurrency
3) Generics
4) Lambda expressions
5) Streams

If you are not aware of the above topics then I would suggest you to learn them to call yourself a java programmer.

Keep these resources for reference-

https://www.sololearn.com/discuss/580291/?ref=app