Answer:
Explanation:
The following code is written in Java and creates all the classes as requested with their variables, and methods. Each extending to the Person class if needed. Due to technical difficulties I have attached the code as a txt file below, as well as a picture with the test output of calling the Staff class.
Answer is the son-father-grandfather concept. Good luck
17.incorrect code........................sorry I'm not sure about number 16
Answer:
True
Explanation:
You can set variables and make method functions.
Hypertext Transfer Protocol (HTTP)