How to attend online classes to learn programming

Answer 1

What do you mean?

Answer 2

You can start from here in sololearn .
https://www.sololearn.com/Course/Java/?ref=app

Answer 3

Navya visit edureka tutorials on Youtube best for java learning and don't ask in appreciate question on Discussion box. Ask here Programming related doubts only.
On YouTube u can also find many tutorials u dont need to ask here.

Answer 4

I am saying that how to learn java programming