What is recommended private or protected

Question

I see a contradiction between encapsulation and inheritance, what do you think?

Answer 1

depends on requirements

Answer 2

You will be better with practice. I don't see any contradiction. It is easier when you have UML diagrams.
You see contradiction on a virtual level which is probably your Brain's representation of these concepts but in fact they are program and program can handle parallel tasks better than humans.

Answer 3

Nop no contradiction, in general use private for attributes and implement get and set methods public or protected, depend you want

Answer 4

Virtually there's no contradiction

Answer 5

its depends