The answer is D, I believe.
Not a Question so how am i supposed to help with this problem
Answer:
The correct answer to the following question is option 4.
Explanation:
The private class does not mean that the package-private, it means that no other class can see its members.
It is used in creating the building blocks which is implementing the internal functionality that you don't want to visible to the other projects using the library.
We can use private constructor to ensure that more than one object cannot be created at the time.
Answer:
A switch connects multiple devices to a network. ... devices are usually integrated into a multipurpose network device
This will be stored as a collection of files