What is encapsulation and how does Java implement it$?$

$8$

a$.$

Data $($fields$)$ can be hidden inside of an object using the static modifier.

b$.$

Data $($fields$)$ can be hidden inside an object using the visibility modifier private.

c$.$

Data $($fields$)$ are directly accessible by objects in the same package.

d$.$

Data $($fields$)$ can be directly accessed by all code in all classes.