JAVA OR JAVAFX, NO PICTURE CODE PLS

Loan.java

// Implements Seriablizable to support object IO public class Loan implements java.io.Serializable { private double annualInterestRate; private int numberOfYears; private double loanAmount; private java.util.Date loanDate;

/** Default constructor */ public Loan() { this(2.5, 1, 1000); }

/** Construct a loan with specified annual interest rate, number of years and loan amount */ public Loan(double annualInterestRate, int numberOfYears, double loanAmount) { this.annualInterestRate = annualInterestRate; this.numberOfYears = numberOfYears; this.loanAmount = loanAmount; loanDate = new java.util.Date(); }

/** Return annualInterestRate */ public double getAnnualInterestRate() { return annualInterestRate; }

/** Set a new annualInterestRate */ public void setAnnualInterestRate(double annualInterestRate) { this.annualInterestRate = annualInterestRate; }

/** Return numberOfYears */ public int getNumberOfYears() { return numberOfYears; }

/** Set a new numberOfYears */ public void setNumberOfYears(int numberOfYears) { this.numberOfYears = numberOfYears; }

/** Return loanAmount */ public double getLoanAmount() { return loanAmount; }

/** Set a newloanAmount */ public void setLoanAmount(double loanAmount) { this.loanAmount = loanAmount; }

/** Find monthly payment */ public double getMonthlyPayment() { double monthlyInterestRate = annualInterestRate / 1200; double monthlyPayment = loanAmount * monthlyInterestRate / (1 - (Math.pow(1 / (1 + monthlyInterestRate), numberOfYears * 12))); return monthlyPayment; }

/** Find total payment */ public double getTotalPayment() { double totalPayment = getMonthlyPayment() * numberOfYears * 12; return totalPayment; }

/** Return loan date */ public java.util.Date getLoanDate() { return loanDate; } }

16.21 (Count-down stopwatch) Write a program that allows the user to enter time in seconds in the text field and press the Enter key to count down the see- onds, as shown in Figure 16.45d. The remaining seconds are redisplayed every second. When the seconds are expired, the program starts to play music continuously