import javax.swing.JOptionPane;

 public class ComputeLoanUsingInputDialog {

   public static void main(String[] args) {

       String annualInterestRateString = JOptionPane.showInputDialog(

               "Enter yearly interest rate, for example 8.25:");

       double annualInterestRate =

               Double.parseDouble(annualInterestRateString);

       double monthlyInteresRate = annualInterestRate / ;

       String numberOfYearsString = JOptionPane.showInputDialog(

               "Enter number of years as an integer, \nfor example 5:");

       int numberOfYears = Integer.parseInt(numberOfYearsString);

       String loanString = JOptionPane.showInputDialog(

               "Enter loan amount, for example 120000.95:");

       double loanAmount = Double.parseDouble(loanString);

       double monthlyPayment = loanAmount * monthlyInteresRate / (

               -  / Math.pow( + monthlyInteresRate, numberOfYears * ));

       double totalPayment = monthlyPayment * numberOfYears * ;

       monthlyPayment = (int)(monthlyPayment * ) / 100.0;

       totalPayment = (int)(totalPayment * ) / 100.0;

       String output = "the monthly payment is " + monthlyPayment +

               "\nthe total payment is " + totalPayment;

       JOptionPane.showMessageDialog(null, output);

   }

 }