Createan application to calculate interest for FDs, RDs based on certain conditionsusing inheritance.

1. Make account class.
2. Using method overriding create interest calculate.
3. Create FD, Rd and SD.
4. Take input of amount and age and days for fd.
5. Take input of saving account and nri and non nri.
6. For Rd take amount and month and age as input.
7. Create a launcher class .