Need Help Following Problem Write Class Mortgagecalculator Extends Financialcalculator Cla Q43787940
Need some help on the following problem.
Write a class MortgageCalculator that extends theFinancialCalculator class. The compute method of this class printsout the total interest paid on a mortgage. The monthly payment iscomputed using this formula:
Monthy payment = Axr/n divided by 1-[1/(1+r/n)nT]
where A is the mortgage amount, r is the interest rate, n is thenumber of payments in a year, and T is the term of the mortgage inyears. The total interest paid is calculated by taking the productof the monthly payment, the number of payments in a year n, and theterm T. Write a program to test this class.
The FinancialCalculator class:
package inheritance;
import java.util.*;
public abstract class FinancialCalculator {
// calendar
protected Calendar calendar;
// returns the number of days for the current month set oncalendar
protected int getDaysInMonth() {
return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
// returns the number of days in the current year set oncalendar
protected int getDaysInYear() {
return calendar.getActualMaximum(Calendar.DAY_OF_YEAR);
}
protected abstract void getUserInput();
protected abstract void compute();
}
Expert Answer
Answer to Need some help on the following problem. Write a class MortgageCalculator that extends the FinancialCalculator class. Th…
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