Scope of inheritance and absence of discussion(Q and A) post links to Sololearn course modules

Question

What kind of classes can be extended/inherited?abstract,static,anonymous or nested classes? Will sololearn be adding this post link feature to q and a section?

Answer 1

See these lessons
https://www.sololearn.com/learn/Java/2166/?ref=app
https://www.sololearn.com/learn/Java/2159/?ref=app
https://www.sololearn.com/learn/Java/2163/?ref=app
https://www.sololearn.com/learn/Java/2172/?ref=app