Can any one help me with my last posted program

Question

program name " multilevel inheritence"

Answer 1

You have multiple errors xD i fixed it for you:

https://code.sololearn.com/cyG7ve1RCOuD/?ref=app

Answer 2

Explain the problem!

Answer 3

i have declared an instance variable and method in super class but it shows its not defined when i call it

Answer 4

thank you so much